code: def update_payload(self, fields=None):
          
          org_payload = super(Organization, self).update_payload(fields)
          payload = {u'organization': org_payload}
          if 'redhat_repository_url' in org_payload:
              rh_repo_url = org_payload.pop('redhat_repository_url')
              payload['redhat_repository_url'] = rh_repo_url
          return payload
docs: Wrap submitted data within an extra dict.