{"layers": [{
 "layerType": "Feature Layer",
 "layerId": 0,
 "maxScale": 0,
 "legend": [{
  "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAmElEQVQ4ja2U3QnAMAiEDbiHc2T/h87hJC1W0uYX0nr3EAI5PtGoTEQnAcV26CEkWe2ayoMeMg0kWR9P75OsDkTAim4gClYDwzDxLF8gAJbsgxkAS8uUo7Al8EvNas/TNoGaDR5GwhogAmZiJMw01DAC25qU3ZET93ljg2C3+Euf9Z7tSZGf62wKjOzGfsHWarbwQk2g4rsAVFGWZ43Udb8AAAAASUVORK5CYII=",
  "groupId": "0",
  "width": 20,
  "label": "",
  "contentType": "image/png",
  "url": "6a4c3e183f03fe014b1afabfed90cdf2",
  "height": 20
 }],
 "legendGroups": [{
  "heading": "",
  "id": "0"
 }],
 "layerName": "พื้นที่บริการบำบัดน้ำเสียปัจจุบัน",
 "minScale": 0
}]}