{
  "eventid": 100123,
  "eventdateid": 200456,
  "ticket_types": [
    {
      "ticket_type_id": 301,
      "quantity": 2
    },
    {
      "ticket_type_id": 302,
      "quantity": 1
    }
  ],
  "discount_code": "EARLYBIRD20"
}