{
 "layers": [
  {
   "layerId": 10,
   "layerName": "10 ft Contours",
   "layerType": "Feature Layer",
   "minScale": 50000,
   "maxScale": 10000,
   "legend": [
    {
     "label": "",
     "url": "a4919f1e76bdb52d83008970d8c66bee",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQ0lEQVQ4jWNhoDJgGTWQYsBCuRGoYKQauPf5/wYmRgZ7Sgz695/hoLMkYwNtXOgsydhAVQOpCVioahrDqIHUAIM/UgC3YwguCQZtGQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}