HTTP/1.1 200 OK
   Access-Control-Allow-Origin: *
   Content-Type: application/jrd+json
   {
      "subject" : "acct:trunkent1456@example.com",
      "links" :
      [
         {
            "rel" : "sip-trunking-capability",
            "href" : "https://capserver.ssp1.example.com/capdoc.json"
         }
      ]
   }