uapi

var spanGroupData = [ {"timestamp": 1467356400, "group": [ {"author_id": 0, "token_count": 1763}, ]}, {"timestamp": 1472713200, "group": [ {"author_id": 3, "token_count": 15}, ]}, {"timestamp": 1483257600, "group": [ {"author_id": 0, "token_count": 12}, ]}, {"timestamp": 1493622000, "group": [ {"author_id": 1, "token_count": 25}, ]}, {"timestamp": 1498892400, "group": [ {"author_id": 0, "token_count": 41}, ]}, {"timestamp": 1509519600, "group": [ {"author_id": 4, "token_count": 7}, {"author_id": 1, "token_count": 1}, ]}, {"timestamp": 1514793600, "group": [ {"author_id": 6, "token_count": 3}, ]}, {"timestamp": 1522566000, "group": [ {"author_id": 1, "token_count": 33}, ]}, {"timestamp": 1535785200, "group": [ {"author_id": 0, "token_count": 66}, ]}, {"timestamp": 1538377200, "group": [ {"author_id": 0, "token_count": 8}, {"author_id": 2, "token_count": 15}, ]}, {"timestamp": 1543651200, "group": [ {"author_id": 0, "token_count": 46}, ]}, {"timestamp": 1556694000, "group": [ {"author_id": 0, "token_count": 77}, {"author_id": 5, "token_count": 4}, ]}, {"timestamp": 1559372400, "group": [ {"author_id": 7, "token_count": 1}, ]}, {"timestamp": 1561964400, "group": [ {"author_id": 0, "token_count": 84}, ]}, ]