{
 "layers": [
  {
   "layerId": 339,
   "layerName": "Oceanic marine mammals",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "be1691e9d0d2edb1c8b2f5e04e3e24ba",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNhXtm2lZGBwY6BCuA/A8MhFpBh68RK51DDwKBX3SksDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhv8ZGA6BSlpqGAYyCwAz7g4k8n5GKQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}