rockchip

var spanGroupData = [ {"timestamp": 1506841200, "group": [ {"author_id": 8, "token_count": 2}, {"author_id": 0, "token_count": 9281}, {"author_id": 4, "token_count": 2}, ]}, {"timestamp": 1517472000, "group": [ {"author_id": 6, "token_count": 3}, ]}, {"timestamp": 1519891200, "group": [ {"author_id": 4, "token_count": 1}, ]}, {"timestamp": 1527836400, "group": [ {"author_id": 1, "token_count": 89}, ]}, {"timestamp": 1535785200, "group": [ {"author_id": 4, "token_count": 3}, ]}, {"timestamp": 1538377200, "group": [ {"author_id": 7, "token_count": 1}, ]}, {"timestamp": 1541055600, "group": [ {"author_id": 7, "token_count": 1}, ]}, {"timestamp": 1549008000, "group": [ {"author_id": 1, "token_count": 7}, {"author_id": 4, "token_count": 3}, ]}, {"timestamp": 1556694000, "group": [ {"author_id": 3, "token_count": 10}, ]}, {"timestamp": 1580544000, "group": [ {"author_id": 9, "token_count": 1}, ]}, {"timestamp": 1585724400, "group": [ {"author_id": 2, "token_count": 38}, ]}, {"timestamp": 1590994800, "group": [ {"author_id": 5, "token_count": 7}, ]}, ]