Changing the BPM of an imported MIDI file

Hi all,

into an Ardour project (set to 148 BPM), I import a MIDI file (148 BPM) but it’s out of tempo.

Is it due to the same reason why I can’t export a MIDI file with its correct BPM? (If I’m not mistaken, Ardour ignores the BPM associated with an exported MIDI file, scale everything to 120 BPM).

How do I change the BPM of a single MIDI region/track without going crazy?
(I need to set that region/track to 148 BPM of the project).

[Ardour 8.1 on Linux]
Thank you,
a.