Hashtags

The following mostly illustrates how the name of a hashtag gets transformed by the applications. The input has the form

"tag": {"type": "Hashtag", "name": "${tag}"}

The last two examples illustrate more technical behavior. For particularities in parsing see Hashtags and JSON-LD.

Support Table Preview

tag	Object	Activity
#test tag ‘#test’	Object	Activity
nohash tag ‘nohash’	Object	Activity
#with-dash_under tag ‘#with-dash_under’	Object	Activity
#with white space tag ‘#with white space’	Object	Activity
#with(subtag) tag ‘#with(subtag)’	Object	Activity
#with123 tag ‘#with123’	Object	Activity
#1234 tag ‘#1234’	Object	Activity
#CamelCase tag ‘#CamelCase’	Object	Activity
#ümläütß tag ‘#ümläütß’	Object	Activity
#🐄 tag ‘#🐄’	Object	Activity
#❤️ tag ‘#❤️’	Object	Activity
#牛 tag ‘#牛’	Object	Activity
＃widehashtag tag ‘＃widehashtag’	Object	Activity
#test broken url parameter	Object	Activity
#test tag ‘#test’ not in list	Object 🚨	Activity

Objects

Object 1

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "tag '#test'",
  "id": "http://actor.example/object/WC8IDWBhjvk",
  "published": "2025-11-21T12:05:02Z",
  "tag": [
    {
      "name": "#test",
      "type": "Hashtag"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 2

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "tag 'nohash'",
  "id": "http://actor.example/object/an9YjBKAs5o",
  "published": "2025-11-21T12:05:02Z",
  "tag": [
    {
      "name": "nohash",
      "type": "Hashtag"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 3

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "tag '#with-dash_under'",
  "id": "http://actor.example/object/lsv8bUrap7A",
  "published": "2025-11-21T12:05:02Z",
  "tag": [
    {
      "name": "#with-dash_under",
      "type": "Hashtag"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 4

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "tag '#with white space'",
  "id": "http://actor.example/object/o1MPtuhOKT8",
  "published": "2025-11-21T12:05:02Z",
  "tag": [
    {
      "name": "#with white space",
      "type": "Hashtag"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 5

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "tag '#with(subtag)'",
  "id": "http://actor.example/object/SLn9NxgIQzU",
  "published": "2025-11-21T12:05:02Z",
  "tag": [
    {
      "name": "#with(subtag)",
      "type": "Hashtag"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 6

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "tag '#with123'",
  "id": "http://actor.example/object/MdP5JRoOGOM",
  "published": "2025-11-21T12:05:02Z",
  "tag": [
    {
      "name": "#with123",
      "type": "Hashtag"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 7

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "tag '#1234'",
  "id": "http://actor.example/object/Zd54Y4goCgk",
  "published": "2025-11-21T12:05:02Z",
  "tag": [
    {
      "name": "#1234",
      "type": "Hashtag"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 8

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "tag '#CamelCase'",
  "id": "http://actor.example/object/cVJy79kmPfQ",
  "published": "2025-11-21T12:05:02Z",
  "tag": [
    {
      "name": "#CamelCase",
      "type": "Hashtag"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 9

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "tag '#\u00fcml\u00e4\u00fct\u00df'",
  "id": "http://actor.example/object/DKXF1wYPBr4",
  "published": "2025-11-21T12:05:02Z",
  "tag": [
    {
      "name": "#\u00fcml\u00e4\u00fct\u00df",
      "type": "Hashtag"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 10

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "tag '#\ud83d\udc04'",
  "id": "http://actor.example/object/Zx8IX9eR8bA",
  "published": "2025-11-21T12:05:02Z",
  "tag": [
    {
      "name": "#\ud83d\udc04",
      "type": "Hashtag"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 11

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "tag '#\u2764\ufe0f'",
  "id": "http://actor.example/object/XPvIxS6G7n4",
  "published": "2025-11-21T12:05:02Z",
  "tag": [
    {
      "name": "#\u2764\ufe0f",
      "type": "Hashtag"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 12

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "tag '#\u725b'",
  "id": "http://actor.example/object/yf0Z9iUV6kM",
  "published": "2025-11-21T12:05:02Z",
  "tag": [
    {
      "name": "#\u725b",
      "type": "Hashtag"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 13

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "tag '\uff03widehashtag'",
  "id": "http://actor.example/object/Nggx9NJVOPM",
  "published": "2025-11-21T12:05:02Z",
  "tag": [
    {
      "name": "\uff03widehashtag",
      "type": "Hashtag"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 14

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "broken url parameter",
  "id": "http://actor.example/object/KSRNIwp_SlU",
  "published": "2025-11-21T12:05:02Z",
  "tag": [
    {
      "name": "#test",
      "type": "Hashtag",
      "url": "https://ignore.example"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 15

❌❌❌ does not obey schema ❌❌❌

{'type': 'Hashtag', 'name': '#test'} is not of type 'array'

Failed validating 'type' in schema['properties']['tag']:
    {'default': [],
     'description': 'A list of objects that expand on the content of the '
                    'object',
     'items': {'anyOf': [{'$ref': '#/$defs/Hashtag'},
                         {'$ref': '#/$defs/Mention'},
                         {'$ref': '#/$defs/ObjectLink'},
                         {'additionalProperties': True, 'type': 'object'}]},
     'type': 'array'}

On instance['tag']:
    {'type': 'Hashtag', 'name': '#test'}

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "tag '#test' not in list",
  "id": "http://actor.example/object/60F1Mz90TXw",
  "published": "2025-11-21T12:05:02Z",
  "tag": {
    "name": "#test",
    "type": "Hashtag"
  },
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Activities

Activity 1

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/txqENhVIhNI",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "tag '#test'",
    "id": "http://actor.example/object/jjsBz67_-Fk",
    "published": "2025-11-21T12:05:03Z",
    "tag": [
      {
        "name": "#test",
        "type": "Hashtag"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-11-21T12:05:03Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 2

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/zNomxVYpbtE",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "tag 'nohash'",
    "id": "http://actor.example/object/BmccolQ2bHk",
    "published": "2025-11-21T12:05:03Z",
    "tag": [
      {
        "name": "nohash",
        "type": "Hashtag"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-11-21T12:05:03Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 3

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/Qsl3tCbzcB4",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "tag '#with-dash_under'",
    "id": "http://actor.example/object/ijCat5hPIG8",
    "published": "2025-11-21T12:05:03Z",
    "tag": [
      {
        "name": "#with-dash_under",
        "type": "Hashtag"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-11-21T12:05:03Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 4

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/Xe9MnanoT5A",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "tag '#with white space'",
    "id": "http://actor.example/object/Ed3IkLKZtPI",
    "published": "2025-11-21T12:05:03Z",
    "tag": [
      {
        "name": "#with white space",
        "type": "Hashtag"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-11-21T12:05:03Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 5

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/lbRC6Vt7_q8",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "tag '#with(subtag)'",
    "id": "http://actor.example/object/JUENMNm4ZDA",
    "published": "2025-11-21T12:05:03Z",
    "tag": [
      {
        "name": "#with(subtag)",
        "type": "Hashtag"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-11-21T12:05:03Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 6

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/Os1GvyjPKMk",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "tag '#with123'",
    "id": "http://actor.example/object/g0O6FNn4mPk",
    "published": "2025-11-21T12:05:03Z",
    "tag": [
      {
        "name": "#with123",
        "type": "Hashtag"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-11-21T12:05:03Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 7

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/oldpxT0HS5w",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "tag '#1234'",
    "id": "http://actor.example/object/AAIUO20PAoY",
    "published": "2025-11-21T12:05:03Z",
    "tag": [
      {
        "name": "#1234",
        "type": "Hashtag"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-11-21T12:05:03Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 8

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/sj-NBgwtnik",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "tag '#CamelCase'",
    "id": "http://actor.example/object/TA1-EViddcs",
    "published": "2025-11-21T12:05:03Z",
    "tag": [
      {
        "name": "#CamelCase",
        "type": "Hashtag"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-11-21T12:05:03Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 9

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/aMwvEjpY2-w",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "tag '#\u00fcml\u00e4\u00fct\u00df'",
    "id": "http://actor.example/object/H1dmF320J8c",
    "published": "2025-11-21T12:05:03Z",
    "tag": [
      {
        "name": "#\u00fcml\u00e4\u00fct\u00df",
        "type": "Hashtag"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-11-21T12:05:03Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 10

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/WDENlA_MNX4",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "tag '#\ud83d\udc04'",
    "id": "http://actor.example/object/3hqbdttoDTY",
    "published": "2025-11-21T12:05:03Z",
    "tag": [
      {
        "name": "#\ud83d\udc04",
        "type": "Hashtag"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-11-21T12:05:03Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 11

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/CHViaNttGY8",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "tag '#\u2764\ufe0f'",
    "id": "http://actor.example/object/lBjShnzFMQ4",
    "published": "2025-11-21T12:05:03Z",
    "tag": [
      {
        "name": "#\u2764\ufe0f",
        "type": "Hashtag"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-11-21T12:05:03Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 12

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/MCx6u9U1ass",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "tag '#\u725b'",
    "id": "http://actor.example/object/u8vaTDMDSS8",
    "published": "2025-11-21T12:05:03Z",
    "tag": [
      {
        "name": "#\u725b",
        "type": "Hashtag"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-11-21T12:05:03Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 13

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/h_oIJjb-zCc",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "tag '\uff03widehashtag'",
    "id": "http://actor.example/object/BHuIu173cdk",
    "published": "2025-11-21T12:05:03Z",
    "tag": [
      {
        "name": "\uff03widehashtag",
        "type": "Hashtag"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-11-21T12:05:03Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 14

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/9_fpyg9sGeo",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "broken url parameter",
    "id": "http://actor.example/object/8_6z8MwXPiE",
    "published": "2025-11-21T12:05:03Z",
    "tag": [
      {
        "name": "#test",
        "type": "Hashtag",
        "url": "https://ignore.example"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-11-21T12:05:03Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}

Activity 15

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/RrY2iyCLiio",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "tag '#test' not in list",
    "id": "http://actor.example/object/zRtwkRSj0xI",
    "published": "2025-11-21T12:05:03Z",
    "tag": {
      "name": "#test",
      "type": "Hashtag"
    },
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-11-21T12:05:03Z",
  "to": [
    "http://remote.example/",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Create"
}