callback({
  "database_resource_url": "http://wedata.net/databases/Favicons",
  "created_at": "2010-08-11T06:48:48+09:00",
  "name": "jocap.se",
  "data": {
    "icon": "http://jocap.se/favicon.ico",
    "url": "http://jocap.se",
    "title": "Jocap"
  },
  "updated_at": "2010-08-11T06:48:48+09:00",
  "created_by": "LudoO",
  "resource_url": "http://wedata.net/items/34919"
})