s390

var spanGroupData = [ {"timestamp": 1430463600, "group": [ {"author_id": 1, "token_count": 42}, ]}, {"timestamp": 1467356400, "group": [ {"author_id": 1, "token_count": 683}, ]}, {"timestamp": 1470034800, "group": [ {"author_id": 1, "token_count": 186}, ]}, {"timestamp": 1472713200, "group": [ {"author_id": 4, "token_count": 16}, ]}, {"timestamp": 1488355200, "group": [ {"author_id": 5, "token_count": 8}, ]}, {"timestamp": 1493622000, "group": [ {"author_id": 2, "token_count": 76}, ]}, {"timestamp": 1498892400, "group": [ {"author_id": 2, "token_count": 32}, ]}, {"timestamp": 1504249200, "group": [ {"author_id": 2, "token_count": 15}, ]}, {"timestamp": 1509519600, "group": [ {"author_id": 1, "token_count": 84}, {"author_id": 6, "token_count": 6}, ]}, {"timestamp": 1512115200, "group": [ {"author_id": 0, "token_count": 1376}, {"author_id": 2, "token_count": 1}, ]}, {"timestamp": 1517472000, "group": [ {"author_id": 1, "token_count": 16}, ]}, {"timestamp": 1535785200, "group": [ {"author_id": 1, "token_count": 11}, ]}, {"timestamp": 1538377200, "group": [ {"author_id": 1, "token_count": 8}, {"author_id": 3, "token_count": 18}, ]}, ]