{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Geodetic reference station",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "1f5f6a78ef6780c3c6d138334a7378d8",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABJUlEQVQ4jcXTvytFcRjH8ddwSpmUUlzKIBkMxMpltxgMImVQ/iKKgeRXURSDMhgsBqvBQCm/ikGU7UanztHpOMd1rls+0/f5fE/v76fneU6gzgr+CziFE9zXA9iMawzUCziEfQyirRo0qAJrwVN0Psc49v4CHMZuon6oljL4AdaKx5R3hgns1AIsYzvDDx8p4a4IsAO3OXenmMRWEWAZ6zl3P6YMMj7uxE2i7kcfnnEQeeGSz2DtN8ARrCbqbqxgDE14SUy8lE6ZBnbhKuU1RKBwXd4S/jFmo8dygaNYTnkb0apsopLRy/bkAJPAHlxmtKCSsz6hjjCHpSxgmG5RMX1EvfxKGQN7cVEQFusQ83GYGBj+s6+YrhEaTrsR7zFwoUbQN30CF3o4JtlXmJAAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}