{ "layers": [ { "layerId": 0, "layerName": "ai_survey", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "def9c14781b58974cb1b40f99e5e8a1e", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAiElEQVQ4jWNhoDJgGTWQYsAybAxsgNIHoJgiAxvkXZzrQYyP9+7Vf7h3vxHJApINdBBQUqyXd3aC8JydGB7u3Vf/cM9eBlyGshAykF9JiYASCiPl4717DPjCkYWA/gaQ90BhB3MpNAzJNhAEGj7cu3/gw737DmAengghxcsEk8vwyylEg8FvIACfDSnh6s5P4AAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }