{
 "layers": [
  {
   "layerId": 1,
   "layerName": "Railroads (Large Scale)",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 24001,
   "legend": [
    {
     "label": "",
     "url": "3ad46a84921c909864b69b6e42e64b85",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAUElEQVQ4jWNhoDJgGTWQYsAy7AxUguI91DQQL2BBYjcwEG+gDRa5BnQDqQJY0G0gAFygNNXCEATuMeABLAykAZwuGzTpkCBgYaAyYBl5BgIAgLEF60WbiSIAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "Railroads (Mid-Scale)",
   "layerType": "Feature Layer",
   "minScale": 24001,
   "maxScale": 2401,
   "legend": [
    {
     "label": "",
     "url": "3ad46a84921c909864b69b6e42e64b85",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAUElEQVQ4jWNhoDJgGTWQYsAy7AxUguI91DQQL2BBYjcwEG+gDRa5BnQDqQJY0G0gAFygNNXCEATuMeABLAykAZwuGzTpkCBgYaAyYBl5BgIAgLEF60WbiSIAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 3,
   "layerName": "Railroads (Small Scale)",
   "layerType": "Feature Layer",
   "minScale": 2401,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "3ad46a84921c909864b69b6e42e64b85",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAUElEQVQ4jWNhoDJgGTWQYsAy7AxUguI91DQQL2BBYjcwEG+gDRa5BnQDqQJY0G0gAFygNNXCEATuMeABLAykAZwuGzTpkCBgYaAyYBl5BgIAgLEF60WbiSIAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}