{
 "layers": [
  {
   "layerId": 0,
   "layerName": "MBTA Commuter Rail Stations",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "7e0bb92cb3adba4a27512a88fbbc159c",
     "imageData": "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",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Active Rail Lines",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Commuter Rail Line",
     "url": "691592a1dae2cdde306cabec77181649",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAoklEQVQ4je2Uyw3EIAxEgzRFcKcTCqeT3OkikaVM1pp1fituG18swH6ZcRCYBgde4NgZ9rYsWpBrSo+BPQDpR+6C4Rdz/S4o7QM+gnZ3BiqIYH7fwBG0b/3MUBgVKdAyobY2sIopTSwT5ottT6Fe0SzOoKpoidkaFRpF2RjwjdHQqZYNZz8u15R2y2fXQkcw5HHIzsnR2U+vzdUFxzQ48H/AFaEkYzLwK1IsAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Y"
     ]
    },
    {
     "label": "Other Active Rail Lines",
     "url": "22d90b6b686310ecaa25d827ecf32557",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAp0lEQVQ4je2Uuw3DMAxETeBW8GCqNIxrD+NKg2UIBgJ8BnOhnQ/UJWwIS+TTHS0I0+DAHzh2hn5rrgU2F/sY6AlID3kXjPixreWpoC7tAJ9BPeyBCjJYXO/gDOp7PzMURkUK7JlQjkDF1KU9WiYsFvc1hUZFmziDqqIl5t6o0CzqzkBszIZOtWy4+nE2FzssX10LHcGQx8GCk7O9r16bVxcc0+DA7wHvh2Bw0rowcYkAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "N",
      "P"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}