{ "layers": [ { "layerId": 0, "layerName": "Streets", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "db5ea19a555832d2e6c401e70d01f27a", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4jWNhoDJgGTVw1MDBYmArA08DI8N/e0oM+s/AeLCa4UsDbVxYzfClgaoGUhOMGjhqIBkAADiuCEAn6m+zAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }