anchor.diff:                  "links": {
                       "project_preferences.user": {
                           "href": "/user/{project_preferences.user}",
  -                        "type": "user"
  +                        "type": "users"
                       },
                       "project_preferences.project": {
                           "href": "/projects/{project_preferences.project}",
  -                        "type": "project"
  +                        "type": "projects"
                       }
                   },
                   "project_preferences": [{
  
positive.code:                 "links": {
                      "collections.subjects": {
                          "href": "/subjects{?collection_id=collections.id}",
                          "type": "subject"
                      }
                  },
                  "collections": [{
  
negative.code:                         "owner": {
                              "id": "10",
                              "href": "/users/10",
                              "type": "users"
                          }
                      }
                  }]
  