Serializing paid cart DTO variation 1 as JSON text.

PaidCartDto1JsonText.cs

var paidCartDto1 = new PaidCart
{
  paidItems = new Item[] {
    new Item {
      id = "1bcd",
      title = "gizmo"
    },
    new Item {
      id = "3cdf",
      title = "widget",
      description = "A very useful item"
    }
  },
  payment = new Money {
    mount = 123.5,
    currency = "USD"
  },
  timestamp = "2020-04-11T10:11:33.514+02:00"
};

var paidCartDto1JsonText = JsonConvert.SerializeObject(paidCartDto1);