curl --request GET \
  --url https://api.tread-horizon.com/v1/orders/{order-id}/tickets/rollup_summary \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "external_vendor_name": "<string>",
      "external_truck_id": "<string>",
      "total_tickets_count": 123,
      "total_tickets_missing_job_count": 123,
      "total_tickets_quantity": 123,
      "total_tickets_missing_job_quantity": 123,
      "unit_of_measure": "Load"
    }
  ]
}