anchor.diff:                  "links": {
                       "collections.subjects": {
                           "href": "/subjects{?collection_id=collections.id}",
  -                        "type": "subject"
  +                        "type": "subjects"
                       }
                   },
                   "collections": [{
  
positive.code:                         "item": {
                              "id": "101",
                              "href": "/subject/101",
                              "type": "subject"
                          }
                      }
                  }]
  
negative.code:                         "owner": {
                              "id": "2",
                              "href": "/users/2",
                              "type": "users"
                          }
                      }
                  },{
  