code: function(store, type, snapshot) {
          var data = this._serializeData(store, type, snapshot);
          if (data.data.links) {
            delete data.data.links;
          }
          var id = get(snapshot, 'id');
          return this.ajax(this.buildURL(type.modelName, id, snapshot), 'PATCH', {
            data: data
          });
        }
docs: Cast individual record to array,
  and match the root key to the route