{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Tyler_Signals",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "77c6d88ddbc81fa1be10bb33412edd64",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANUlEQVQ4jWPJy8v7z0BFwMLAwMAQ1FdBFcPWFXVADKQmGDVw1MBRA0cNHDUQycB1RR1UMxAAfY0HQoG/LXoAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Tyler_Signs",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "24665b68c11796b4c7deed7128d62123",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAVElEQVQ4jWNhoDJgGTVw1EA4+I/EZqTUwP+TVvjCOXkRm//jM5SQgSiGMTAwMExa4YvX0KEfKYx5EZvRw5CBgYIwhBuKzKfEhUQZQo6BRINRAykHANJtFMtwfVLPAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "Supports",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "34e62599d1ea0144ba5c24601cb3b08b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAVElEQVQ4jWNhoDJgGTVw1EA4+I/EZqTUwP9dca5wTtmi3f/xGUrIQBTDGBgYGLriXPEaOvQjhbFs0W70MGRgoCAM4YYi8ylxIVGGkGMg0WDUQMoBAC0wFSW1Gzc1AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}