anchor.diff:      + Headers
   
               X-Total-Count: 30
  -            Link: http://context.example.org/v2/entities?offset=4&limit=2; rel="next", http://context.example.org/v2/entities?offset=28&limit=2; rel="last", http://context.example.org/v2/entities?offset=0&limit=2; rel="first", http://context.example.org/v2/entities?offset=2&limit=2; rel="prev"
  +            Link: http://example.org/v2/entities?offset=4&limit=2; rel="next", http://example.org/v2/entities?offset=28&limit=2; rel="last",
  +            http://example.org/v2/entities?offset=0&limit=2; rel="first", http://example.org/v2/entities?offset=2&limit=2; rel="prev"
   
       + Body
   
  
positive.code: 
          {
             "type": "Room",
              "id": "Boe_Idearium"
          }
  
  ### Several entity attributes [GET /v2/entities/{entityId}{?attrs}]
  
negative.code: ### By pattern matching [GET /v2/entities{?idPattern,options}]
  
  + Parameters
      + idPattern: DC_.* (optional, string) - Only retrieve entities having a matching id.
      + options: keyValues (optional, string) - rendering options
  
  + Response 200 (application/json)
  