{
  "query": [
    {
      "item_id": "assetTest",
      "type": "asset",
      "data": {
        "url": "http://coralproject.net"
      },
      "related": {
        "comment": [
          "abc",
          "def"
        ]
      }
    },
    {
      "item_id": "abc",
      "type": "comment",
      "data": {
        "content": "Sample comment"
      },
      "related":{
        "child": [
          "xyz"
        ]
      }
    },
    {
      "item_id": "xyz",
      "type": "comment",
      "data": {
        "content": "Sample reply"
      }
    },
    {
      "item_id": "def",
      "type": "comment",
      "data": {
        "content": "Another reply"
      }
    }
  ]
}