callback({ "resource_url": "http://wedata.net/databases/test_db", "created_by": "looj44", "required_keys": "x n u r", "description": "", "name": "test_db", "updated_at": "2011-01-27T13:01:38+09:00", "created_at": "2011-01-27T13:01:38+09:00", "optional_keys": "", "permit_other_keys": true })