This song is in B.
These are the “cheat” chords I played…
Intro: C#m7 - B/D# - E2 - F#
Part 1a: G#m7 - B/D# - E2 - F#
Part 1b: C#m7 - B/D# - E2 - F#
Part 1c: same as Part 1b
Part 2a: G#m7 - B/D# - E2 - F#
Part 2b: same as Part 2a
Part 2c: same as [...]