The response is more like this:
+        {
 +            "Session": "616edf0ad1ba6f883ca5f6b0c93218b5aa5b0fe247528ce6be0844e499af6595e72e053d4f38aed6e3fc30fedde320cad7bbbb43aade0b301e820bcf489b80b7",
 +            "User": {
 +                "Id": "1",
 +                "href": "/resources/HR/User/1"
 +            }
 +        }