array(8) {
  ["version"]=>
  int(2)
  ["device_id"]=>
  int(782)
  ["air_temperature_value"]=>
  float(22.21962890625)
  ["air_temperature_unit"]=>
  string(3) "°C"
  ["air_humidity_value"]=>
  float(53.419631958008)
  ["air_humidity_unit"]=>
  string(1) "%"
  ["battery_voltage_value"]=>
  float(3.168)
  ["battery_voltage_unit"]=>
  string(1) "V"
}
array(4) {
  ["version"]=>
  int(2)
  ["device_id"]=>
  int(782)
  ["battery_voltage_value"]=>
  float(3.168)
  ["battery_voltage_unit"]=>
  string(1) "V"
}