v2CertificateStatus(証明書の失効確認履歴)

{
    "id": "string",
    "status": "STATUS_UNSPECIFIED",
    "check_method": "CHECK_METHOD_UNSPECIFIED",
    "check_purpose": "CHECK_PURPOSE_UNSPECIFIED",
    "source_updated_at": "2019-08-24T14:15:22Z",
    "revoked_at": "2019-08-24T14:15:22Z",
    "revocation_reason": "CRL_REASON_UNSPECIFIED",
    "created_at": "2019-08-24T14:15:22Z"
}