mlx5

var spanGroupData = [ {"timestamp": 1596265200, "group": [ {"author_id": 5, "token_count": 7}, {"author_id": 0, "token_count": 5370}, ]}, ]

var spanGroupData = [ {"timestamp": 1596265200, "group": [ {"author_id": 4, "token_count": 11}, {"author_id": 6, "token_count": 4}, {"author_id": 0, "token_count": 11004}, {"author_id": 1, "token_count": 51}, {"author_id": 3, "token_count": 13}, ]}, {"timestamp": 1601535600, "group": [ {"author_id": 2, "token_count": 39}, ]}, ]