rvgen

var spanGroupData = [ {"timestamp": 1656658800, "group": [ {"author_id": 2, "token_count": 213}, ]}, {"timestamp": 1659337200, "group": [ {"author_id": 4, "token_count": 2}, ]}, {"timestamp": 1662015600, "group": [ {"author_id": 3, "token_count": 4}, ]}, {"timestamp": 1733040000, "group": [ {"author_id": 1, "token_count": 274}, ]}, {"timestamp": 1740816000, "group": [ {"author_id": 1, "token_count": 29}, ]}, {"timestamp": 1751353200, "group": [ {"author_id": 1, "token_count": 2}, {"author_id": 0, "token_count": 357}, ]}, ]