tracing

var spanGroupData = [ {"timestamp": 1612166400, "group": [ {"author_id": 3, "token_count": 3}, {"author_id": 1, "token_count": 8568}, ]}, {"timestamp": 1614585600, "group": [ {"author_id": 2, "token_count": 5}, ]}, {"timestamp": 1633071600, "group": [ {"author_id": 1, "token_count": 1}, ]}, ]

var spanGroupData = [ {"timestamp": 1638345600, "group": [ {"author_id": 0, "token_count": 18518}, ]}, {"timestamp": 1643702400, "group": [ {"author_id": 0, "token_count": 69}, ]}, {"timestamp": 1646121600, "group": [ {"author_id": 0, "token_count": 3489}, ]}, ]