callback({
  "database_resource_url": "http://wedata.net/databases/Favicons",
  "created_at": "2012-04-13T13:31:36+09:00",
  "name": "blog.freenode.net/feed",
  "data": {
    "icon": "http://blog.freenode.net/favicon.ico",
    "title": "staffblog",
    "url": "http://blog.freenode.net/feed/"
  },
  "updated_at": "2012-04-13T13:31:36+09:00",
  "created_by": "LudoO",
  "resource_url": "http://wedata.net/items/60140"
})