{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Dimension Annotation",
   "layerType": "Feature Layer",
   "minScale": 1800,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "9fe37c026b7bbed80941bb52b10a73d2",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAKklEQVQ4je3MIQEAAAzDsIP613w83MFFQLgyFmr4Ii30KBxhoUfhCAtPexArAFF5acCuAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Dimension Lines",
   "layerType": "Feature Layer",
   "minScale": 1800,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "eea7546739139a68b71b5163b183fb97",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANklEQVQ4jWNhoDJgGTWQYsBCuRGoYAQb2MDAwGBPoVkHQebQ1IUjLFKoBlioZxQEjBrIQDEAAAbjAtF+zRnWAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "Dimension Arrows",
   "layerType": "Feature Layer",
   "minScale": 1800,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "a96d80a50460f99adf6a6e9bf7372212",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWNhYGBoYWBgcGCgDjjAAjXMmkoGMoAMpCpgGTWQYsBCuRGoYNRAygELFcxAAaMGjpQwPEBF8w4AAIM4A9ASfARbAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}