{
  "event": "checkout.ready",
  "timestamp": "2026-06-23T14:30:00.000Z",
  "organizationId": "8f14e45f-ceea-4e7a-9c3d-1c2b3a4d5e6f",
  "mode": "live",
  "apiVersion": "2026-08-27",
  "data": {
    "subscriptionId": "sub_1a2b3c4d",
    "customerId": "user_123",
    "invoiceId": "inv_k1l2m3",
    "invoiceNumber": "INV-0042",
    "invoiceTotal": 9900,
    "invoiceCurrency": "usd",
    "checkoutUrl": "https://pay.commet.co/checkout/tok_9f8e7d6c"
  }
}