SOURCE

var data = {
  createTime: '2019-01-14 11:37:46',
  comHz: '433M',
  labelType: '1',
  labelId: 1122334455667788,
  reader: 112233445566778899001122,
  isHis: 1,
  temperature: 260,
  humidity: 0.1,
  electricity: 0.1,
  gps: 0.1,
  oxygen: 0.1,
  pressureDiff: 0.1,
  co2: 0.1,
  voc: 0.1,
  pm25: 0.1,
  pm10: 0.1,
  signalDb: 0.1,
  upTimes: 1,
  battary: 0.1
}

console.log(JSON.stringify(data))