{
  "id": 12357,
  "title": "About history CTR",
  "url": "/competitions/avazu-ctr-prediction/discussion/12357",
  "author_name": "only_time",
  "post_date": "2015-01-29T07:03:32.843000",
  "votes": 0,
  "comment_count": 0,
  "views": 725,
  "content": "<p>How to design and use historical CTR as features ?</p>",
  "messages": [
    {
      "id": 63292,
      "postDate": "2015-01-29T07:03:32.843Z",
      "content": "<p>How to design and use historical CTR as features ?</p>"
    }
  ],
  "comments": [],
  "raw_markdown_by_id": {
    "63292": ""
  }
}