def METHOD_NAME(self, verifiable_credential_json):
    """
    Check if issued verifiable credentials actually passes verification.
    didkit verification example (JSON): '{"checks":["proof"],"warnings":[],"errors":[]}'
    """
    err_message = _("Issued verifiable credential can't be verified!")
    proof_options = json.dumps({})
    try:
        verification_result = didkit_verify_credential(verifiable_credential_json, proof_options)
        logger.debug("Verifiable credential passed verifiacation: (%s)", verification_result)
    except didkit.DIDKitException as exc:  # pylint: disable=no-member, useless-suppression
        logger.exception(err_message)
        raise IssuanceException(detail=f"{err_message} [{exc}]")