{
  "objectType": "article",
  "displayName": "article abc",
  "content": "foo bar",
  "url": "http://example.com/abc",

  "tags": [{
    "objectType": "activity",
    "verb": "like",
    "object": {"url": "http://example.com/abc"},
    "author": {
      "numeric_id": "100004",
      "displayName": "Alice",
      "url": "http://example.com/alice"
    }
  }, {
    "objectType": "activity",
    "verb": "like",
    "url": "http://example.com/anonymous/like",
    "object": {"url": "http://example.com/abc"}
  }]
}
