This is the MSPOSD data from betalight, it’s same format as Ardupilot.
I am confident that if you want MSPOSD to work, you need to inmigrate betalight（Or ardupilot) OSD protocol as @sastel mentioned.
24 4D 3E 01 B6 04 B3
24 4D 3E 01 B6 00 B7
24 4D 3E 01 B6 02 B5
24 4D 3E 04 B6 03 0D 14 00 A8
24 4D 3E 0A B6 03 0A 15 00 15 2D 30 39 2E 31 8E