{
 "layers": [
  {
   "layerId": 1,
   "layerName": "Water Main",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "16376c396a9145e05f75543c285c10a1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4jWNhoDJgGTVw1MDBYmCnmlwDE+N/e0oM+vef8WD5rUcNtHFh+a1HDVQ1kJpg1MBRA8kAANIgCwS5U6FhAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}