{ "layers": [ { "layerId": 0, "layerName": "bridges_poly_2022", "layerType": "Feature Layer", "minScale": 16500, "maxScale": 0, "legend": [ { "label": "", "url": "b9f528c044b9b85c47c8b435ed00a7e2", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAM0lEQVQ4jWN5+PBhKAMDgzYDdcBqFqhh9VQykIGFWgaNGjhq4KiBowaOGohp4GoqmncVABWjBklMUNN0AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }