{"layers": [{
 "layerType": "Feature Layer",
 "layerId": 0,
 "maxScale": 0,
 "legend": [
  {
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARUlEQVQ4jWNhoDJgGTWQYsBCuRGoYKQaeO7Uwf/Igh/fvSRKM7+QOArfyMyekTYuNDKzZ6SqgdQELFQ1jWHUQGqAwW8gALULB/m1B8VLAAAAAElFTkSuQmCC",
   "groupId": "0",
   "values": ["<Null>"],
   "width": 20,
   "label": "<Null>",
   "contentType": "image/png",
   "url": "6c7f8a011054385784e129fe4c23f25b",
   "height": 20
  },
  {
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARUlEQVQ4jWNhoDJgGTWQYsBCuRGoYKQaeO3atf/Igt++fSNKMxcXFwpfS0uLkTYu1NLSYqSqgdQELFQ1jWHUQGqAwW8gAFDlB9AMuZFrAAAAAElFTkSuQmCC",
   "groupId": "0",
   "values": ["NO RAILS"],
   "width": 20,
   "label": "NO RAILS",
   "contentType": "image/png",
   "url": "3bad34c85b388a3d5508a041cfae6fc4",
   "height": 20
  },
  {
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAVklEQVQ4jWNhoDJgGTWQYsAyrAxMY2BgmEVNA5WIUcTCwMDgAMWEgA0DA0MDATUHaBKGB6CYEOAgwoUMpLjwHjGKWEgwcBa1DSQKsDBQGbCMGshAKQAA7rIG73cvYvQAAAAASUVORK5CYII=",
   "groupId": "0",
   "values": ["STRUT"],
   "width": 20,
   "label": "STRUT",
   "contentType": "image/png",
   "url": "bd4c0bd5ae2cb9c622668075d5b732d3",
   "height": 20
  },
  {
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAg0lEQVQ4jWNhoDJgGTWQYsBCuRHD0sCcnBypf//+GU+bNm0zQQNbWlpCCSn69u0b569fv4xbWlo48Kn79+/fNRYQwcTEpIVPIRMTkyADA8N7QhYzMTFpsdTV1V1lYGAAYYJe7unpIexlBiLAlClTnjEwMIDwSEk2pAAWklSPGsiABQAAXYMnZsFuIscAAAAASUVORK5CYII=",
   "groupId": "0",
   "values": ["YARD"],
   "width": 20,
   "label": "YARD",
   "contentType": "image/png",
   "url": "929012be8e4cb0e8a8c37a1c7c4bab22",
   "height": 20
  },
  {
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARUlEQVQ4jWNhoDJgGTWQYsBCuRGoYKQaeO7Uwf/Igh/fvSRKM7+QOArfyMyekTYuNDKzZ6SqgdQELFQ1jWHUQGqAwW8gALULB/m1B8VLAAAAAElFTkSuQmCC",
   "groupId": "0",
   "values": ["museum"],
   "width": 20,
   "label": "museum",
   "contentType": "image/png",
   "url": "6c7f8a011054385784e129fe4c23f25b",
   "height": 20
  },
  {
   "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOElEQVQ4je3MoRUAIBQCQAKLORiJwVzNbIbi898AR5Rxwhjz4vZjaHtXQ5RR0qqGKOOEMebFa+EB3G8EUYACi6QAAAAASUVORK5CYII=",
   "groupId": "1",
   "width": 20,
   "label": "<all other values>",
   "contentType": "image/png",
   "url": "5e1bd222984128e1460755d4318ff187",
   "height": 20
  }
 ],
 "legendGroups": [
  {
   "heading": "Type",
   "id": "0"
  },
  {
   "heading": "",
   "id": "1"
  }
 ],
 "layerName": "RailroadCenterlines",
 "minScale": 0
}]}