HTTP/1.1 200 OK
Server: nginx
Date: Fri, 15 Feb 2013 18:25:28 GMT
Content-Type: application/json;charset=utf-8
Content-Length: 995
Connection: keep-alive
Cache-Control: no-cache, no-store
Access-Control-Allow-Credentials: true
Access-Control-Max-Age: 300

{
   "exception": "preauthorization_already_used",
   "error": "Preauthorization has already been used"
}