{"layers": [
 {
  "layerType": "Raster Layer",
  "layerId": 0,
  "maxScale": 0,
  "legend": [],
  "legendGroups": [{
   "heading": "",
   "id": "0"
  }],
  "layerName": "ตำแหน่งบ่อน้ำ",
  "minScale": 0
 },
 {
  "layerType": "Raster Layer",
  "layerId": 1,
  "maxScale": 0,
  "legend": [],
  "legendGroups": [{
   "heading": "",
   "id": "0"
  }],
  "layerName": "แหล่งน้ำขนาดมากกว่า 2 ไร่",
  "minScale": 0
 },
 {
  "layerType": "Raster Layer",
  "layerId": 2,
  "maxScale": 0,
  "legend": [],
  "legendGroups": [{
   "heading": "",
   "id": "0"
  }],
  "layerName": "เส้นทางน้ำหลัก",
  "minScale": 0
 }
]}