[{"from": "1542927600", "to": "1543100400"},{"from": "1545519600", "to": "1545865200"},{"from": "1546038000", "to": "1546383600"},{"from": "1547247600", "to": "1548025200"},{"from": "1552604400", "to": "1552863600"},{"from": "1555365600", "to": "1556402400"},{"from": "1560636000", "to": "1561845600"}]