{
 "layers": [
  {
   "layerId": 29,
   "layerName": "Karst_Karst_geology_of_Ohio_22",
   "layerType": "Feature Layer",
   "minScale": 1000000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "8331b84c98afce8884b8fff4759411c4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWM5k8Pwn4GKgAVEmExhYKSGYWdyGP6DDaQmYBk1kGLAQrkRqGDUQMoBCxXMQAGjBo6YMDxDxWoAAAvqB7+BMwTCAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}