{ "layers": [ { "layerId": 0, "layerName": "ne_10m_land", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "e17b9c75d6dc6541e4bfe09ae2a25a09", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWP5+ftjy9//fxwYqACYGVkOsIAMe/f5qjU1DBTi1WZgYaAyYBk1kGLAQrkRqGDUQMoBCxXMQAGjBo6IMGRmZDkAKmmpAUBmAQCH7RAHO6mQggAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }