{
 "layers": [
  {
   "layerId": 1,
   "layerName": "Coastline",
   "layerType": "Feature Layer",
   "minScale": 13000000,
   "maxScale": 0,
   "legend": [
    {
     "label": "Coastline",
     "url": "90e3761775420854c771adcf4e1c8ae3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAO0lEQVQ4jWNhoDJgGTWQYsBCuRGoYNRAaoVhwf//VDCLgWECIyPEwAmMjFQxkGE0lqkBWKhiCsOINhAA7QQD476heFsAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Coastline"
     ]
    },
    {
     "label": "Watercourse junction",
     "url": "0005c356b081a08f3721365a6c501f90",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQklEQVQ4jWNhoDJgGTWQYsBCuRGoYNRAaoZhwf//DBMYGVFkQWIggE0cXQzDQGwKcGjCKc4wGsvUACxUMYVhRBsIAAmMCwcmMy6WAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Junction"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}