From Hentschel
[
{ "serialNumber": "121729045618", "lastReportDate": 1525108039, "devType": 1, "lastReportWatts": 111, "maxReportWatts": 271 }, { "serialNumber": "121729039367", "lastReportDate": 1525108047, "devType": 1, "lastReportWatts": 112, "maxReportWatts": 260 }, { "serialNumber": "121729039522", "lastReportDate": 1525108037, "devType": 1, "lastReportWatts": 112, "maxReportWatts": 268 }, { "serialNumber": "121729042598", "lastReportDate": 1525108043, "devType": 1, "lastReportWatts": 111, "maxReportWatts": 279 }, { "serialNumber": "121729042597", "lastReportDate": 1525108050, "devType": 1, "lastReportWatts": 111, "maxReportWatts": 270 }, { "serialNumber": "121729039296", "lastReportDate": 1525108035, "devType": 1, "lastReportWatts": 113, "maxReportWatts": 272 }, { "serialNumber": "121729039542", "lastReportDate": 1525108032, "devType": 1, "lastReportWatts": 110, "maxReportWatts": 267 }, { "serialNumber": "121729042608", "lastReportDate": 1525108034, "devType": 1, "lastReportWatts": 112, "maxReportWatts": 257 }, { "serialNumber": "121729039570", "lastReportDate": 1525108027, "devType": 1, "lastReportWatts": 110, "maxReportWatts": 267 }, { "serialNumber": "121729045495", "lastReportDate": 1525108031, "devType": 1, "lastReportWatts": 109, "maxReportWatts": 259 }, { "serialNumber": "121729042313", "lastReportDate": 1525108038, "devType": 1, "lastReportWatts": 113, "maxReportWatts": 253 }, { "serialNumber": "121729039299", "lastReportDate": 1525108044, "devType": 1, "lastReportWatts": 111, "maxReportWatts": 260 }, { "serialNumber": "121729039381", "lastReportDate": 1525108051, "devType": 1, "lastReportWatts": 115, "maxReportWatts": 267 }, { "serialNumber": "121729045313", "lastReportDate": 1525108042, "devType": 1, "lastReportWatts": 111, "maxReportWatts": 264 }, { "serialNumber": "121729039651", "lastReportDate": 1525108049, "devType": 1, "lastReportWatts": 111, "maxReportWatts": 259 }, { "serialNumber": "121729039525", "lastReportDate": 1525108029, "devType": 1, "lastReportWatts": 111, "maxReportWatts": 264 }
]