Here's some samples:
https://mega.nz/file/g5xEgI4T#LJro390SU ... 4ukAjxYtbk
count: 19,830
stride: 48
uncompressed size: 951,840
This one's data will align in a hex editor at 145 bytes wide.
I don't know if that's a clue to anything.
https://mega.nz/file/1phTmYCT#mpPX4lB45 ... w4WsaF9CZ4
count: 8
stride: 48
uncompressed size: 384