curl --request POST \
  --url https://us.api.flexprice.io/v1/webhook-events/payment.created

{
  "event_type": "subscription.created",
  "payment": {
    "amount": "<string>",
    "attempts": [
      {
        "attempt_number": 123,
        "created_at": "2023-11-07T05:31:56Z",
        "created_by": "<string>",
        "error_message": "<string>",
        "id": "<string>",
        "metadata": {},
        "payment_id": "<string>",
        "tenant_id": "<string>",
        "updated_at": "2023-11-07T05:31:56Z",
        "updated_by": "<string>"
      }
    ],
    "created_at": "2023-11-07T05:31:56Z",
    "created_by": "<string>",
    "currency": "<string>",
    "destination_id": "<string>",
    "destination_type": "INVOICE",
    "error_message": "<string>",
    "failed_at": "2023-11-07T05:31:56Z",
    "gateway_metadata": {},
    "gateway_payment_id": "<string>",
    "gateway_tracking_id": "<string>",
    "id": "<string>",
    "idempotency_key": "<string>",
    "invoice_number": "<string>",
    "metadata": {},
    "payment_gateway": "<string>",
    "payment_method_id": "<string>",
    "payment_method_type": "CARD",
    "payment_status": "INITIATED",
    "payment_url": "<string>",
    "refunded_at": "2023-11-07T05:31:56Z",
    "save_card_and_make_default": true,
    "succeeded_at": "2023-11-07T05:31:56Z",
    "tenant_id": "<string>",
    "track_attempts": true,
    "updated_at": "2023-11-07T05:31:56Z",
    "updated_by": "<string>"
  }
}