array(25) {
  ["version"]=>
  int(2)
  ["device_id"]=>
  int(4553)
  ["distance_average_value"]=>
  int(4507)
  ["distance_average_unit"]=>
  string(2) "mm"
  ["distance_minimum_value"]=>
  int(4470)
  ["distance_minimum_unit"]=>
  string(2) "mm"
  ["distance_maximum_value"]=>
  int(4540)
  ["distance_maximum_unit"]=>
  string(2) "mm"
  ["distance_median_value"]=>
  int(4510)
  ["distance_median_unit"]=>
  string(2) "mm"
  ["distance_10th_percentile_value"]=>
  int(4490)
  ["distance_10th_percentile_unit"]=>
  string(2) "mm"
  ["distance_25th_percentile_value"]=>
  int(4500)
  ["distance_25th_percentile_unit"]=>
  string(2) "mm"
  ["distance_75th_percentile_value"]=>
  int(4520)
  ["distance_75th_percentile_unit"]=>
  string(2) "mm"
  ["distance_90th_percentile_value"]=>
  int(4520)
  ["distance_90th_percentile_unit"]=>
  string(2) "mm"
  ["distance_most_frequent_value_value"]=>
  int(4500)
  ["distance_most_frequent_value_unit"]=>
  string(2) "mm"
  ["number_of_samples_value"]=>
  int(100)
  ["total_acquisition_time_value"]=>
  float(399.4140625)
  ["total_acquisition_time_unit"]=>
  string(2) "ms"
  ["battery_voltage_value"]=>
  float(2.749)
  ["battery_voltage_unit"]=>
  string(1) "V"
}
array(4) {
  ["version"]=>
  int(2)
  ["device_id"]=>
  int(4553)
  ["battery_voltage_value"]=>
  float(2.749)
  ["battery_voltage_unit"]=>
  string(1) "V"
}