[{"from": "1540940400", "to": "1541458799"},{"from": "1558821600", "to": "1558994400"},{"from": "1541977200", "to": "1543532400"},{"from": "1545778800", "to": "1546556399"},{"from": "1558044000", "to": "1558216800"},{"from": "1569880800", "to": "1570399199"},{"from": "1555452000", "to": "1555970399"},{"from": "1559426400", "to": "1560290400"},{"from": "1560636000", "to": "1561240800"},{"from": "1556661600", "to": "1557093599"},{"from": "1567807200", "to": "1567893600"},{"from": "1568066400", "to": "1568239200"},{"from": "1559167200", "to": "1559426400"},{"from": "1568930400", "to": "1569103200"},{"from": "1564783200", "to": "1565474399"},{"from": "1557439200", "to": "1557612000"},{"from": "1565388000", "to": "1566079199"},{"from": "1551308400", "to": "1553122800"},{"from": "1566079200", "to": "1566770399"},{"from": "1563660000", "to": "1564869599"}]