Delivery in progress

{
  "event": "order.delivery_travelling",
  "order": {
    "uid": "<string>",
    "token": "<string>",
    "client": {
      "uid": "<string>",
      "first_name": "<string>",
      "last_name": "<string>",
      "phone": "<string>",
      "email": "jsmith@example.com"
    },
    "order_number": "<string>"
  }
}