docs: def update(self, *args, **kwargs):
          """Modifies the parameters and adds metadata for update results.
  
          Currently it does not support `PUT` method, which works as replacing
          the resource. This is somehow questionable in relation DB.
          """
          if request.method == 'PUT':
              logging.warning("Called not implemented resource method PUT")
  
          resource = super(JsonServerResource, self).update(*args, **kwargs)
  
          if resource:
              return resource
          else:
              return NOT_FOUND