{ "layers": [ { "layerId": 0, "layerName": "Census Tracts", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "64f62c2f34c3754aeb7f1a0d0a30c380", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAU0lEQVQ4je3UMQ3AIAAEwKPBRN3gjNQZaooL6AAOIJ345bfLTx9fuo2J0HkuygrUSIEc4aLci2Adwwa4Mwc84AEP+CPYSHURmgc7wEDu5BUwzP4AzSsPmQFoqtUAAAAASUVORK5CYII=", "contentType": "image/png", "height": 20, "width": 20 } ] } ] }