callback({
  "created_at": "2010-12-06T22:09:58+09:00",
  "name": "r.sm3.jp",
  "data": {
    "domain": "r\\.sm3\\.jp"
  },
  "updated_at": "2010-12-07T01:37:18+09:00",
  "database_resource_url": "http://wedata.net/databases/ShortUrlServices",
  "created_by": "furyu-tei",
  "resource_url": "http://wedata.net/items/40321"
})