Amazon SESバウンスイベントをEventBridgeに送信時、入力トランスフォーマーでdiagnosticCodeを利用する場合エラーになることがあります

{
  "account": "$.account",
  "bounceType": "$.detail.bounce.bounceType",
  "bounceSubType": "$.detail.bounce.bounceSubType",
  "status": "$.detail.bounce.bouncedRecipients[0].status",
  "diagnosticCode": "$.detail.bounce.bouncedRecipients[0].diagnosticCode",
  "emailAddress": "$.detail.bounce.bouncedRecipients[0].emailAddress",
  "source": "$.detail.mail.source",
  "subject": "$.detail.mail.commonHeaders.subject",
  "configurationSet": "$.detail.mail.tags[\"ses:configuration-set\"][0]",
  "timestamp": "$.detail.bounce.timestamp",
  "messageId": "$.detail.mail.messageId"
}

"🚨 SES メール配信エラー通知"
""
"【バウンス情報】"
"━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
"・発生時刻: <timestamp>"
"・対象アカウント: <account>"
"・バウンスタイプ: <bounceType>"
"・バウンスサブタイプ: <bounceSubType>"
"・HTTPステータス: <status>"
"・エラー詳細: <diagnosticCode>"
""
"【メール送信情報】"
"━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
"・送信元: <source>"
"・送信先: <emailAddress>"
"・件名: <subject>"
"・設定セット: <configurationSet>"
"・メッセージID: <messageId>"
""
"【⚠️ 必要な対応アクション】"
"━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
"■ Permanentバウンスの場合（即座に対応が必要）:"
"・General/NoEmail/Suppressed → 該当メールアドレスを配信リストから即座に削除してください"
"・継続送信は送信者評価に悪影響を与え、送信機能停止の原因となります"
"・OnAccountSuppressionList → アカウントレベルサプレッションリストで既に制御済み"
""
"■ Transientバウンスの場合（将来的に再送信可能）:"
"・General → 一時的な問題のため、時間を置いて再送信を検討してください"
"・MailboxFull → 受信者の受信トレイが満杯、後日再送信を検討してください"
"・MessageTooLarge → メッセージサイズを小さくして再送信を検討してください"
"・ContentRejected → メッセージ内容を見直して再送信を検討してください"
"・AttachmentRejected → 添付ファイルを削除/変更して再送信を検討してください"
""
"■ Undeterminedバウンスの場合:"
"・バウンス理由が不明のため、リターンパスアドレスに送信されたバウンスメールで詳細を確認してください"
""
"📖 詳細情報: https://docs.aws.amazon.com/ses/latest/dg/notification-contents.html#bounce-types"

{
  "version": "0",
  "id": "12a18625-3328-fafd-2809-a5e16004f112",
  "detail-type": "Email Bounced",
  "source": "aws.ses",
  "account": "123456789012",
  "time": "2023-07-17T16:48:05Z",
  "region": "us-east-1",
  "resources": ["arn:aws:ses:us-east-1:123456789012:identity/example.com"],
  "detail": {
    "eventType": "Bounce",
    "bounce": {
      "bounceType": "Permanent",
      "bounceSubType": "General",
      "bouncedRecipients": [{
        "emailAddress": "recipient@example.com",
        "action": "failed",
        "status": "5.1.1",
        "diagnosticCode": "smtp; 550 5.1.1 user unknown"
      }],
      "timestamp": "2017-08-05T00:41:02.669Z",
      "feedbackId": "01000157c44f053b-61b59c11-9236-11e6-8f96-7be8aexample-000000",
      "reportingMTA": "dsn; mta.example.com"
    },
    "mail": {
      "timestamp": "2017-08-05T00:40:02.012Z",
      "source": "Sender Name <sender@example.com>",
      "sourceArn": "arn:aws:ses:us-east-1:123456789012:identity/sender@example.com",
      "sendingAccountId": "123456789012",
      "messageId": "EXAMPLE7c191be45-e9aedb9a-02f9-4d12-a87d-dd0099a07f8a-000000",
      "destination": ["recipient@example.com"],
      "headersTruncated": false,
      "headers": [{
        "name": "From",
        "value": "Sender Name <sender@example.com>"
      }, {
        "name": "To",
        "value": "recipient@example.com"
      }, {
        "name": "Subject",
        "value": "Message sent from Amazon SES"
      }, {
        "name": "MIME-Version",
        "value": "1.0"
      }, {
        "name": "Content-Type",
        "value": "multipart/alternative; boundary=\"----=_Part_7307378_1629847660.1516840721503\""
      }],
      "commonHeaders": {
        "from": ["Sender Name <sender@example.com>"],
        "to": ["recipient@example.com"],
        "messageId": "EXAMPLE7c191be45-e9aedb9a-02f9-4d12-a87d-dd0099a07f8a-000000",
        "subject": "Message sent from Amazon SES"
      },
      "tags": {
        "ses:configuration-set": ["ConfigSet"],
        "ses:source-ip": ["192.0.2.0"],
        "ses:from-domain": ["example.com"],
        "ses:caller-identity": ["ses_user"]
      }
    }
  }
}

{
  "version": "0",
  "id": "bdd45965-5254-58da-02c9-8d3978b99b80",
  "detail-type": "Email Bounced",
  "source": "aws.ses",
  "account": "アカウントID",
  "time": "2025-06-16T01:52:26Z",
  "region": "ap-northeast-1",
  "replay-name": "ses-Bounce-notify-2",
  "resources": [
    "arn:aws:ses:ap-northeast-1:アカウントID:configuration-set/test"
  ],
  "detail": {
    "eventType": "Bounce",
    "bounce": {
      "feedbackId": "01060197767016a8-6ffcd8e6-4e05-4b73-88a9-30e8c4c68c68-000000",
      "bounceType": "Permanent",
      "bounceSubType": "General",
      "bouncedRecipients": [
        {
          "emailAddress": "abcabcrr@example.com",
          "action": "failed",
          "status": "5.1.1",
          "diagnosticCode": "smtp; 550-5.1.1 The email account that you tried to reach does not exist. Please try\r\n 550-5.1.1 double-checking the recipient's email address for typos or\r\n 550-5.1.1 unnecessary spaces. For more information, go to\r\n 550 5.1.1  https://support.google.com/mail/?p=NoSuchUser xxx - gsmtp"
        }
      ],
      "timestamp": "2025-06-16T01:52:26.872Z",
      "reportingMTA": "dns; googlemail.com"
    },
    "mail": {
      "timestamp": "2025-06-16T01:52:22.168Z",
      "source": "example@example.com",
      "sourceArn": "arn:aws:ses:ap-northeast-1:アカウントID:identity/example.com",
      "sendingAccountId": "アカウントID",
      "messageId": "xxx",
      "destination": ["abcabcrr@example.com"],
      "headersTruncated": false,
      "headers": [
        { "name": "From", "value": "example@example.com" },
        { "name": "Reply-To", "value": "reply@example.com" },
        { "name": "To", "value": "abcabcrr@example.com" },
        {
          "name": "Subject",
          "value": "xxxxx"
        },
        { "name": "MIME-Version", "value": "1.0" },
        { "name": "Content-Type", "value": "text/plain; charset=UTF-8" },
        { "name": "Content-Transfer-Encoding", "value": "base64" }
      ],
      "commonHeaders": {
        "from": ["example1@example.com"],
        "replyTo": ["reply@example.com"],
        "to": ["abcabcrr@example.com"],
        "messageId": "0106019776700498-58d33a7d-de79-4d2a-8fd0-57dde6174693-000000",
        "subject": "xxxxx"
      },
      "tags": {
        "ses:source-tls-version": ["TLSv1.3"],
        "ses:operation": ["SendEmail"],
        "ses:configuration-set": ["test"],
        "ses:source-ip": ["xx.xx.xx.xx"],
        "ses:from-domain": ["example.com"],
        "ses:caller-identity": ["StepFunctions-ses-email-role-eor8ynebg"]
      }
    }
  }
}