Пример посложнее:

{
  "orderID": 123,
  "shopperName": "Ваня Ибрагимов",
  "shopperEmail": "hipster@gmail.com",
  "contents": [
    {
      "productID": 34,
      "productName": "Boroda",
      "quantity": 1
    },
    {
      "productID": 56,
      "productName": "Giroskuter",
      "quantity": 2
    }
  ],
  "orderCompleted": true,
  "comment": null
}