I read them with Notepad, they look totally transparent, see this:
"1
00:00:00,000 --> 00:00:00,040
FrameCnt : 1, DiffTime : 40ms 2022-07-05 17:55:23,738,517
[iso : 100] [shutter : 1/800.0] [fnum : 560] [ev : 0] [ct : 5564] [color_md : d_log] [latitude : 45.467380] [longtitude : 9.038432]...