{
  "id": "whd_Xy12Ab34Cd56",
  "type": "payment.confirmed",
  "createdAt": 1753142400000,
  "data": {
    "checkoutId": "<string>",
    "totalAmount": 123,
    "currency": "<string>",
    "items": [
      {
        "id": "<string>",
        "productId": "<string>",
        "productName": "<string>",
        "quantity": 123
      }
    ],
    "externalRef": "<string>",
    "payment": {
      "paymentId": "<string>",
      "method": "<string>",
      "amount": 123,
      "currency": "<string>"
    }
  }
}