{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Wastewater Air Release",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "59f6e257f390af287a2ecd5dba69312c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAjUlEQVQ4je3QMQ6DMAwF0D9kZKELjBW9SG7mcDNfBOQRlmTxATo0VJUQCYGO+VIUWbJeHBv8OaaCFfzGxZvjuQU6++oJAMQrSdDx54Fi0D7bhuzQfaqhA88r8bTgCM2DjybTUgbuIl6BxB5zoONpgXilbdK4w8sgADgJyhLUbnWq+eyXOTXVFfB0Kng/b9AwKhevGJx8AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}