Booking Cancelled

{
  "id": "6239c2dda961750e01dda065",
  "event_id": "6239c2dda961750e01dda064",
  "event_schema": "v1",
  "event_resource": "Class",
  "event_type": "Class.Booking.Cancelled",
  "event_timestamp": "2022-03-22T12:36:45.390915Z",
  "data": {
    "workshop_id": 11370,
    "track_id": -1,
    "class_id": 11370,
    "session_id": 89607,
    "add_to_all": null,
    "training_virtual_guests": null,
    "guest_id": "adae1b6e-0015-4a0b-8ab9-f248f229f856",
    "center_id": "e1693623-bda5-4b3e-a2a7-611ea4f1f7ad",
    "waitlist": null,
    "booking_source": null,
    "registration_id": 119988,
    "group_invoice_id": null,
    "is_recurring": false,
    "recurrence_id": null,
    "recurrence_registration_ids": null,
    "guest_registration_ids": null
  }
}