{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Runway Clearance Zones",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "0ac11f0e77a6571f8c711d61d87f6791",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARElEQVQ4je3SwQkAIAxD0QQymE6um0WEbmBu9Z96ehCoEE4ffE5NQRsjgZHYKmwlQBszP5nEvnJsMupAr7dJpqiGluAB+tINEsgLM+UAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Airport Decibal Zones",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "65",
     "url": "e475bc26a0780e2c3e5c568b5d75f59a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWMpKizczsTE5MBABfDv378DLCDDOktKOKhhYHlPjwMLA5UBy6iBFAMWyo1ABaMGUg5YqGAGChg1cESE4b9//w6ASlpqGAYyCwCiMxMt8yQKQAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "65"
     ]
    },
    {
     "label": "70",
     "url": "0135ce9d4ae49e27971534078c71e146",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWMpzM/fzsTE4MBABfDvH8MBFpBhpaaaHNQwsPv0dQcWBioDllEDKQYslBuBCkYNpBywUMEMFDBq4IgIw3//GA6ASlpqGAYyCwAi8xDI9iM9wAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "70"
     ]
    },
    {
     "label": "75",
     "url": "47878a8903fad903bc7b68339e2d3083",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWMpzMvbzsjw34GBCuA/A+MBFpBhYT8ec1DDwFUcsg4sDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhv8ZGA+ASlpqGAYyCwDwfg5spRGlZAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "75"
     ]
    },
    {
     "label": "80",
     "url": "548ebfde102803dffde8154f7fa96e85",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWPJz83dzvTvnwMDFcA/JqYDLCDDDJcs4qCGgedj4hxYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDP8xMR0AlbTUMAxkFgAdGhEk3Zt/0QAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "80"
     ]
    },
    {
     "label": "<all other values>",
     "url": "338ff8bb56c87a26ab2cd2383d74d675",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASElEQVQ4jWPJz8/fzsDA4MBAHXCABWSYsLAwBzVMe/v2rQPIQKoCllEDKQYslBuBCkYNpBywUMEMFDBq4EgJwwOgkpZK5h0AAEzKC2T03wVLAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "1",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Decibals"
    },
    {
     "id": "1",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "Airspace Height",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "f5a61af09eea99ee58c72b0dcacbae0d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAUklEQVQ4jWNZwcDwn4GKgAWJfYBCsxyQDTwQwcDgSIlpKxgY9oMMRXYhVQDLqIEUAxbKjUAFowZSDlioYAYKGDWQcgALQwdoeUYJQClg4QKUAgAYIwgfqa6LowAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}