{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Constrained Areas",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Sewer",
     "url": "3d938dae76db926beefb712a0e10230f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4jWNZ/L/EgYGBwYGBOuAAC8Sw//XUMY+RgYU6BiHAqIGjBo4aOGrgqIEIAw8wMDBSy7wDAJj+Buf8ZuzXAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Sewer"
     ]
    },
    {
     "label": "Water",
     "url": "8b6c43f9f07b5aa19c1f49daef4e281d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4je3MMREAIAwEwctMhEUUPdbiBCmhBAFf/grYXGcKKDQ6gRrYii2AVEQ/hw4dOnT4wg7d1xcVnAcjbxl7zwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Water"
     ]
    },
    {
     "label": "<all other values>",
     "url": "9e00cbd6fc6b697fdbca23c7ca1b5c4e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4je3MIQEAMQwDwICC5zUUR5X3tIbiYXATEJgTcDUzPwDCYwsAu/tzbJJYjuiVMGHChAlvuJJo+vYATMoLZGvM8ywAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "1",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "SystemType"
    },
    {
     "id": "1",
     "heading": ""
    }
   ]
  }
 ]
}