title: How to create Two Level JSON
body: <p>How to create Two Level JSON, if i have to get data in multiple lists, like below:</p>
  
  <pre><code>  Category's List &gt; Item's List
  </code></pre>
  
  <p><strong>For an example</strong>: Sony > LED TV, Laptop, Phones etc..</p>
  
  <p>Earlier i have created single Level JSON,</p>
  
  <p><strong>For an example:</strong> LED TV, Laptop, Phones see below:</p>
  
  <pre><code>[
      {
          "ProductID":"1",
          "ProductName":"LED TV"
      },
      {
          "ProductID":"2",
          "ProductName":"Laptop"
      }
  ]
  </code></pre>
  
  <p>So here my question is how my JSON should look like ?</p>