    4
                ],
                [
                    23,
                    5,
                    9
                ]
            ],
            "label": {
                "show": false,
                "margin": 8
            },
            "grid3DIndex": 0
        }
    ],
    "legend": [
        {
            "data": [
                ""
            ],
            "selected": {},
            "show": true,
            "padding": 5,
            "itemGap": 10,
            "itemWidth": 25,
      