{
    "transaction_identifier": "4ca77b51-b287-44e3-99e7-11a3ceb9dd1a",
    "webhook_received": {
        "TransactionType": 2,
        "Approved": false,
        "TransactionIdentifier": "4ca77b51-b287-44e3-99e7-11a3ceb9dd1a",
        "IsoResponseCode": "12",
        "ResponseMessage": "Invalid transaction",
        "OrderIdentifier": "4ca77b51-b287-44e3-99e7-11a3ceb9dd1a",
        "Errors": [
            {
                "Code": "787",
                "Message": "Duplicate OC"
            }
        ]
    },
    "spi_token": "35bpqumln2y30pvof2n94y7ca6q6r7vknmf9xxat4l25et1ba9-3plyg9wt7wz",
    "received_at": "2026-08-27 21:05:56",
    "status": "processing",
    "stored_at": "2026-08-27 21:05:56"
}