callback({
  "database_resource_url": "http://wedata.net/databases/ShortUrlServices",
  "created_at": "2010-12-21T23:24:17+09:00",
  "name": "rfly.co",
  "data": {
    "domain": "rfly\\.co",
    "sample": ""
  },
  "updated_at": "2010-12-21T23:24:17+09:00",
  "created_by": "furyu-tei",
  "resource_url": "http://wedata.net/items/40855"
})