callback({
  "database_resource_url": "http://wedata.net/databases/Favicons",
  "created_at": "2012-08-02T01:14:36+09:00",
  "name": "twitter.com/statuses/user_timeline/15888142.rss",
  "resource_url": "http://wedata.net/items/62600",
  "data": {
    "icon": "http://twitter.com/favicons/favicon.ico",
    "title": "Twitter / oliviamunn",
    "url": "http://twitter.com/statuses/user_timeline/15888142.rss"
  },
  "updated_at": "2012-08-02T01:14:36+09:00",
  "created_by": "LudoO"
})