callback({ "resource_url": "http://wedata.net/items/40776?rev=59984", "data": { "b": "example3", "a": "example1" }, "database_resource_url": "http://wedata.net/databases/testing%20test", "created_by": "swdyh", "name": "example3", "created_at": "2010-12-18T20:49:40+09:00", "updated_at": "2010-12-18T20:49:40+09:00" })