{
 "layers": [
  {
   "layerId": 0,
   "layerName": "NATIONAL GEOCHEMICAL SURVEY",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "1e5b2eba582dfb1b93fc71c7c32ce771",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABAElEQVQ4je3TvyvEARjH8Re+19UddVZFyqCThcFipGRTymAxGJVCGY7hqDPchUXZDCZJ5x+Q0X8gdQvDNynrlZTQTX7c74tBeY/Pp+fdp6eewA8T/At/8YZpPeJOJbx+mT8Kpcw3L4w6tGZc27f5HYou7DhqXJgyYcp0maxEPwalpB1Le2lM2CtrRKRq+1kDcnJYqS/csGrGqFrEMWbBul1ZYW1hh64a3T6IioiJ1W+4bUufOYuGqsqeceVEWqG+sMStTTfOJLVXzPNCnZYrRUHFhYxz3S4lTZZlD7i2L+OpcWGJoiUH8hLefCZ0L2NPC59SwHDVvGlhiwStLv5d4TsSxy+zv5hDywAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}