{
 "layers": [
  {
   "layerId": 17,
   "layerName": "rings",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Ring 1 ~24.5 mi",
     "url": "773927fe465b108bc1f1288c8733af3c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXElEQVQ4jWNhoDJgGTVwEIehy+LJDpQatic29wCLy8LJDQyMDPUM/yl2HIPL4skHWMCGUQv8Z3AYkemQkeEAyO9UMe0/QyPLnthcR2olGQaYl2GckRIpVAaD30AAnAkXTlaMd/QAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Ring 1"
     ]
    },
    {
     "label": "Ring 2 ~30.1 mi",
     "url": "dace1a3749a8d5c7b88a404cfe6f7ec4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAVklEQVQ4jWNhoDJgGTVwEIfhf4bDDpQaxshge4DlP8PRBgYGhnqKncYActSxAyzUMgwC/juMzHTIeADkdyqZ18jCyGDlSK0kwwDzMowzYiKFumDwGwgAd/URUrL/70UAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Ring 2a"
     ]
    },
    {
     "label": "Ring 3 ~34.3 mi",
     "url": "431cf69b1503f59e3da14f72c6fe6761",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAX0lEQVQ4jWNhoDJgGTVwEIfh8+kMDpQaJpnJcIDl6XSGBkZGhvr/FLuNgeH5DIYDLCDDGKgE/jMwOIzEdMjIwHAA5HdqGPb/P0Mji2QGgyO1kgwDzMswzgiJFIYRZyAA1EMUT45BKDgAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Ring 3a"
     ]
    },
    {
     "label": "Ring 4 ~41.5 mi",
     "url": "4088b5d6be379e934af9432dfda7bbcc",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAWklEQVQ4jWNhoDJgGTVwEIehSUC3A6WGndlQeoDFJKi74f9/hvr/FLuNgcE4sPsAC8gwBuoBhxGaDg+A/E4NwxgZGRpZzq4vdaRWkmGAeRnGGTmRQlUw+A0EAFdzGFBs7xz8AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Ring 5"
     ]
    },
    {
     "label": "Ring 5 ~24.6 mi",
     "url": "230dcb86d6dd2dffd977170e1181bf1b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXUlEQVQ4jWNhoDJgGTVwEIdhzu8UB0oNm8I65wBL1u+UBgaG//X/GP5T7Lrs38kHWECGMVAJ/GdgcBiJ6ZCRgeEAyO/UMY6xkWUq61xHaiUZBpiXYZwREikMI85AAKFwGUrCdoYmAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Ring 6"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Name"
    }
   ]
  }
 ]
}