1.json

    {                                                                                                                                                                                                              
      "id": "1",                                                                                                                                                                                                   
      "customerId": 1,
      "items": [
        {
          "productId": "B102",
          "quantity": 10,
          "unitPrice": 4.99,
          "total": 49.9
        },
        {
          "productId": "A102",
          "quantity": 1,
          "unitPrice": 49.5,
          "total": 49.5
        }
      ],
      "total": 99.4
    }

2.json

    {
      "id": "2",
      "customerId": "2",
      "items": [
        {
          "productId": "B102",
          "quantity": "5",
          "unitPrice": "4.99",
          "total": "24.95"
        }
      ],
      "total": "24.95"
    }

3.json

    {
      "id": "3",
      "customerId": "3",
      "items": [
        {
          "productId": "A101",
          "quantity": "2",
          "unitPrice": "9.75",
          "total": "19.50"
        },
        {
          "productId": "A102",
          "quantity": "1",
          "unitPrice": "49.50",
          "total": "49.50"
        }
      ],
      "total": "69.00"
    }