{
  "type": "OrderedCollection",
  "totalItems": 3,
  "name": "Vacation photos 2016",
  "orderedItems": [
    {
      "type": "Image",
      "id": "http://image.example/1"
    },
    {
      "type": "Tombstone",
      "formerType": "Image",
      "id": "http://image.example/2",
      "deleted": "2016-03-17T00:00:00Z"
    },
    {
      "type": "Image",
      "id": "http://image.example/3"
    }
  ]
}