{
 "layers": [
  {
   "layerId": 7,
   "layerName": "Road labels",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Interstate, urban US highway",
     "url": "b9e45769c387b67933c093af230ea1d2",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4je3QIQ4AMAzDwEXK/7+ckZLhmlSrH3DAPnBesJ0/BpOkA0nSA1J5Dqh6gIFUxqRqwX74wwsgAgRVG+dY1gAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "1"
     ]
    },
    {
     "label": "Rural US or state highway",
     "url": "f01036971362f13cde5bc127b627c6ff",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARElEQVQ4je3SwQkAIAxD0QQymE6um0WEbmBu9Z96ehCoEE4ffE5NQdsjgZHcKmwlQNszP5nkvnJsMupAr7dJpqiGluABNMcREi3Xq4wAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "2"
     ]
    },
    {
     "label": "Arterial",
     "url": "38ff3ef4b31e6cab897d278927edf679",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARklEQVQ4je3QoREAIAxD0eQug8HksFkxFYBtHHwV9UQEc/pgOT0MRkSrQCTnAQIYFRAAb9CStt2tIPMDG+hKNin7YD37hwsUHgYVOl0iMAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "3"
     ]
    },
    {
     "label": "Major road",
     "url": "704c7d8ea8967f27c2c6aabb30d8ab20",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4je3RsQkAMAwDQT9o/5WVOrVlCMQ/wCGQKpwWbKc+cfcraNsJDGBmIUAUTKaoVgsmev+UA+0YBFUSgWeeAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "4"
     ]
    },
    {
     "label": "Local road",
     "url": "8a604fbe8455153b9171d2e1c88efcc0",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4jWNhoDJgGTWQYsBCuRGoYKQa+P///wYGBgZ7Cs06yMjI2EAbFzIyMjZQ1UBqAhaqmsYwaiA1wOCPFABuGgXUHk0fdQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "5"
     ]
    },
    {
     "label": "Private road",
     "url": "26515070f92b9e5b16eedd50b207355c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAVklEQVQ4jWNhoDJgGTWQYsBCuRGoYKQa+P///wYGBgZ7NLmDjIyMDf///9+PRV8jlK5HV08bFzIyMoJciBUwMjI64tF/AKuB1AQsowZSDFgoN2KoGQgAGmkM2ODF6SIAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "6"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Road class"
    }
   ]
  }
 ]
}