code: def set_manifest(self, alias, manifest_json):
          
          self._request('put',
                        'manifests/' + alias,
                        data=manifest_json,
                        headers={'Content-Type': _schema2_mimetype})
docs: Give a name (alias) to a manifest.
  
          :param alias: Alias name
          :type alias: str
  
          :param manifest_json: A V2 Schema 2 manifest JSON string
          :type digests: list