curl --request POST \
  --url https://api.paygentic.io/v0/sources/{id}/events/{eventId}/reject \
  --header 'Authorization: Bearer <token>'

{
  "id": "sev_d4e5f6g7h8i9j0k1",
  "createdAt": "2024-03-10T16:30:00Z",
  "customerId": "cus_q3r4s5t6u7v8w9x0",
  "errorMessage": null,
  "externalEventId": "evt_stripe_901234",
  "processedAt": "2024-03-10T17:00:00Z",
  "processedBy": "usr_merchant",
  "rawData": {
    "amount": 15000,
    "currency": "usd",
    "description": "Stripe revenue event"
  },
  "sourceId": "src_x3y4z5a6b7c8d9e0",
  "status": "rejected",
  "subscriptionId": "sub_z1a2b3c4d5e6f7g8",
  "updatedAt": "2024-03-10T17:00:00Z",
  "usageEventIds": []
}