{ "layers": [ { "layerId": 0, "layerName": "ne_10m_land", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "6957d6c387e674b2e3ca1613cbf11764", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAR0lEQVQ4jWN5//y6AwMDAwhTAxxgARnGyMBYTw3T/jP8ZwAZSFXAMmogxYCFciNQwaiBlAMWKpiBAkYNHClheABU0lIJHAAAV9MKe2x7L2wAAAAASUVORK5CYII=", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }