{
  "양식": "구조물도면",
  "종류": "structure",
  "판": 1,
  "열": "pv_l",
  "도번": "구-05",
  "도면": {
    "format": 6,
    "entities": [],
    "layers": [
      {
        "id": "기본",
        "name": "기본",
        "isVisible": true,
        "isLocked": false
      }
    ]
  }
}