{
  "objectType": "note",
  "content": "some stuff",
  "to": [{
    "id": "https://www.w3.org/ns/activitystreams#Public"
  }, {
    "id": "other"
  }, {
    "objectType": "group",
    "alias": "@public"
  }],
  "cc": [{
    "id": "one"
  }, {
    "id": "two"
  }]
}
