{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Earthquake Catalog",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "5a69e9d2fa6f6ddaaabadc8c0ba5086e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAjElEQVQ4je3RMQ6CUAwA0DdwFEI04QhKmB1Z8BiOjH/kNJzBKEdgIMTDOKiJcUBBBwc6tU360rSRH0e0gAsIVhVhoGs4ov0G3Jw4x7e8PCBjjX4WWJDHT3WMilCznwUmpK+9gW5sZhSsCTvKx5YX3O84D0SfsS3IE9KaYOR+n4DQNm8+OxWcFAv4h+AVGeYYUgSJiqEAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}