{
 "layers": [
  {
   "layerId": 0,
   "layerName": "NoiseDataLayer",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "8945a69eb3d28faac8d22a74b9654d1a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAjElEQVQ4jWNhoDJgGTWQYsAybAwsh9JHGRgYjlBqYHmonUYDiHHt0ZvfVx+8aWVgYOgk10AbbQWRaj8rVQ4QB0RvOna7YfWhGwy4DGUhYKC1lpwIK2FPUBApIG9Dw5IsAztB3rv26E01zKXQMDxCiQs7rz54c/TqgzfWMD41vHyEUHIZfjmFaDD4DQQAmFsrhtvjaF4AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}