[
  {
    "id": 1,
    "comments": [
      {
        "message": "Very nice hotel! amazing",
        "postId": 1
      },
      {
        "message": "Not bad!",
        "postId": 2
      },
      {
        "message": "I like it!",
        "postId": 3
      }
    ]
  },
  {
    "id": 2,
    "comments": [
      {
        "message": "Will visit again!",
        "postId": 1
      }
    ]
  },
  {
    "id": 3,
    "comments": []
  }
]