docs: def get_subject_with_file_validation(jwt_bu64, cert_path):
      """Same as get_subject_with_local_validation() except that the signing certificate
      is read from a local PEM file."""
      cert_obj = d1_common.cert.x509.deserialize_pem_file(cert_path)
      return get_subject_with_local_validation(jwt_bu64, cert_obj)