[  {      "number": 1,      "poster_id": 1,      "poster_name": "name_a",      "title": "title_a",      "content": "content_a",      "state": "closed",      "is_locked": false,      "created": "1985-04-12T23:20:50.52Z",      "updated": "1986-04-12T23:20:50.52Z",      "closed": "1987-04-12T23:20:50.52Z"  }]