{
  "type": "Announce",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "signature": {
    "type": "RsaSignature2017",
    "signatureValue": "T95DRE0eAligvMuRMkQA01lsoz2PKi4XXF+cyZ0BqbrO12p751TEWTyyRn5a+HH0e4kc77EUhQVXwMq80WAYDzHKVUTf2XBJPBa68vl0j6RXw3+HK4ef5hR4KWFNBU34yePS7S1fEmc1mTG4Yx926wtmZwDpEMTp1CXOeVEjCYzmdyHpepPPH2ZZettiacmPRSqBLPGWZoot7kH/SioIdnrMGY0I7b+rqkIdnnEcdhu9N1BKPEO9Sr+KmxgAUiidmNZlbBXX6gCxp8BiIdH4ABsIcwoDcGNkM5EmWunGW31LVjsEQXhH5c1Wly0ugYYPCg/0eHLNBOhKkY/teSM8Lg==",
    "creator": "http://mastodon.example.org/users/admin#main-key",
    "created": "2018-02-17T19:39:15Z"
  },
  "published": "2018-02-17T19:39:15Z",
  "object": "http://mastodon.example.org/@admin/99541947525187367",
  "id": "http://mastodon.example.org/users/admin/statuses/99542391527669785/activity",
  "cc": [
    "http://mastodon.example.org/users/admin",
    "http://mastodon.example.org/users/admin/followers"
  ],
  "atomUri": "http://mastodon.example.org/users/admin/statuses/99542391527669785/activity",
  "actor": "http://mastodon.example.org/users/admin",
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    "https://w3id.org/security/v1",
    {
      "toot": "http://joinmastodon.org/ns#",
      "sensitive": "as:sensitive",
      "ostatus": "http://ostatus.org#",
      "movedTo": "as:movedTo",
      "manuallyApprovesFollowers": "as:manuallyApprovesFollowers",
      "inReplyToAtomUri": "ostatus:inReplyToAtomUri",
      "conversation": "ostatus:conversation",
      "atomUri": "ostatus:atomUri",
      "Hashtag": "as:Hashtag",
      "Emoji": "toot:Emoji"
    }
  ]
}