anchor.diff:  This resource represents one particular user identified by its *id*.
   
   + Parameters
  -    + id (required, string, `54a28f5a8456bb0016a223da`) ... Id of a user.
  +    + id (required, string, `53705c4b-7bf9-4672-a872-c84988e16db8`) ... Id of a user.
   
   + Model (application/json)
       HATEOAS/JSON representation of User resource.
   
       + Headers
   
  -            ETag: c7caf5d5ad3f2ab4a2945a6b891cd874494027e5
  -            Last-Modified: Tue, 30 Dec 2014 11:41:14 GMT
  -
  -    + Body
  -
  -            {
  -                "_created": "Tue, 30 Dec 2014 11:41:14 GMT",
  -                "_etag": "c7caf5d5ad3f2ab4a2945a6b891cd874494027e5",
  -                "_id": "54a28f5a8456bb0016a223da",
  +            ETag: 6a169281df830752d6752b916f73d1976282c6c4
  +            Last-Modified: Thu, 01 Jan 1970 00:00:00 GMT
  +
  +    + Body
  +
  +            {
  +                "_created": "Thu, 01 Jan 1970 00:00:00 GMT",
  +                "_etag": "6a169281df830752d6752b916f73d1976282c6c4",
  +                "_id": "53705c4b-7bf9-4672-a872-c84988e16db8",
                   "_links": {
                       "collection": {
                           "href": "users",
  
positive.code: 
  + Response 200
  
      [Session Collection][]
negative.code: + Response 200
  
      [User][]
  
  + Response 404
  
              {
  