{ "layers": [ { "layerId": 0, "layerName": "ne_10m_land", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "ab464f8b3a1be1f7de1467b3f8272eb5", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAATUlEQVQ4je3UsQ3AMAwDQZrgYN4sqwnwKCmzAxO4dC110Q9wBQvqftYEPVGRGdrYwLgqvJeGUJwaTKc8cdZgPhUYRw3+Y0Mz9tOWZMYHUvEPYa7hKDAAAAAASUVORK5CYII=", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }