NotificationSubscriptionResponse

{
    "channel": "callback",
    "created_on": "2024-08-06T20:15:30Z",
    "notification_types": [
        "transaction_approved",
        "transaction_failed"
    ],
    "product": "pay_in",
    "subscription_id": "20251022-0949-42c7-947d-67f32a1ecf45",
    "targets": [
        "https://example.com/callback-endpoint",
        "https://another-endpoint.com/callback"
    ]
}