signal time=1571822518.053507 sender=:1.3126 -> destination=(null destination) serial=27 path=/org/freedesktop/UPower/devices/DisplayDevice; interface=org.freedesktop.DBus.Properties; member=PropertiesChanged
   string "org.freedesktop.UPower.Device"
   array [
      dict entry(
         string "UpdateTime"
         variant             uint64 1571822518
      )
      dict entry(
         string "TimeToEmpty"
         variant             int64 39225
      )
      dict entry(
         string "EnergyRate"
         variant             double 5.1908
      )
      dict entry(
         string "Energy"
         variant             double 56.5592
      )
   ]
   array [
   ]
signal time=1571822518.054887 sender=:1.3126 -> destination=(null destination) serial=28 path=/org/freedesktop/UPower/devices/mouse_hidpp_battery_0; interface=org.freedesktop.DBus.Properties; member=PropertiesChanged
   string "org.freedesktop.UPower.Device"
   array [
      dict entry(
         string "UpdateTime"
         variant             uint64 1571822518
      )
   ]
   array [
   ]