{
  "@context": "https://www.w3.org/ns/activitystreams",
  "summary": "Martin added an article to his blog",
  "type": "Add",
  "published": "2015-02-10T15:04:55Z",
  "actor": {
   "type": "Person",
   "id": "http://www.test.example/martin",
   "name": "Martin Smith",
   "url": "http://example.org/martin",
   "image": {
     "type": "Link",
     "href": "http://example.org/martin/image.jpg",
     "mediaType": "image/jpeg"
   }
  },
  "object" : {
   "id": "http://www.test.example/blog/abc123/xyz",
   "type": "Article",
   "url": "http://example.org/blog/2011/02/entry",
   "name": "Why I love Activity Streams"
  },
  "target" : {
   "id": "http://example.org/blog/",
   "type": "OrderedCollection",
   "name": "Martin's Blog"
  }
}