array(6) {
  ["version"]=>
  int(2)
  ["device_id"]=>
  int(657)
  ["total_solar_radiation_value"]=>
  float(48.065185546875)
  ["total_solar_radiation_unit"]=>
  string(10) "W⋅m⁻²"
  ["battery_voltage_value"]=>
  float(3.168)
  ["battery_voltage_unit"]=>
  string(1) "V"
}
array(4) {
  ["version"]=>
  int(2)
  ["device_id"]=>
  int(657)
  ["battery_voltage_value"]=>
  float(3.168)
  ["battery_voltage_unit"]=>
  string(1) "V"
}