DATE,
                    series: {
                        type: 'scatter',
                        id: 'main',
                        datasetId: 'raw_clustered_dataset',
                        symbolSize: 20,
                        encode: {
                            itemName: 'ID',
                            x: 'PRICE',
                            y: 'COUNT',
                            itemGroupId: 'CLUSTER_IDX',
                            tooltip: ['PRICE', 'COUNT', 'WEIGHT']
                   