{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Police Precincts",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "8b9338bfd49a1ab6bb362d72f88fcaf3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXUlEQVQ4je3TsQ2AMAxE0U+UWVDG8E6kj+gZKmMwjU1LQQojC1HkD/CKky6zbkZgORL7Alx2Et0lKALWnsFE5zx8YKmgDMCAJjjBCfpBRSjVJygyBrF2P/qb/r/hBXRhEPtbXtjtAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Police Patrol Zones",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "7da974fb36d82437cf843f9d98f11875",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAeUlEQVQ4jWNhKPj/n4GKgIWahmEY6KBCniEH7mAx0EGFgWF/NnkGOk5FGIrNywcYGBgOEmmWPQMDgwOyADYDDzIyMjYQY9r///8biDGQIjBq4KiBg9VAe2gOIAbYE2OgAwNadiIFwA08cAdSapADsBZf6BLkAqpHCgBzPxnl8Ve18wAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "Police Neighborhoods",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "a3b458a9ecc33ae369aaab6b1426cba3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQklEQVQ4jWNhUI9RZ+ASF2egBvj28iULA5e4OIN9DxNVDDxYIs5CFYOQwKiBowaOGjhq4KiBMAO/vXzJcLCEalUAACMyDSj6TnmhAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 3,
   "layerName": "Police Study Areas",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "f549ee996f16ddbd90cc6caae9284c5e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAR0lEQVQ4je3MMRWAQAxEwb+8WKE9b5wJOs5b2hOzNBQISJkRMMHBLTMoYJEhM86LpyLcixkV0V+HHXbYYYdfaJF7MSsyi3wBfggNiJtIYJ4AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}