dts

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var spanGroupData = [ {"timestamp": 1680332400, "group": [ {"author_id": 0, "token_count": 1100}, ]}, {"timestamp": 1690873200, "group": [ {"author_id": 2, "token_count": 2}, ]}, {"timestamp": 1733040000, "group": [ {"author_id": 3, "token_count": 1}, ]}, ]