Done by ear, if this is not 100% it has to be pretty close, but it sounds good when 
along with the song :) listen to the song for the timings and what not :)im sure this is the 
tab out there of this song on bass.

The intro will be the bell like sounds, dont play through that.
come in after this.

Verse
Play this 3 times, the singer will start singing on the second time.
g|-------------------------------------|
d|-------------------------------------|
a|-7-9-----7-7-9-----7-7-9-----------0-|
E|-----7---------7---------7---9-9-7---|

Chorus
Play this twice ^^
g|----------------------------------|
d|----------------------------------|
a|-----------0-0-0------------0~----|
E|-7-7-7-9-9--------7-7--9~-7~---7~-|

Verse
Play 3 times
g|-------------------------------------|
d|-------------------------------------|
a|-7-9-----7-7-9-----7-7-9-----------0-|
E|-----7---------7---------7---9-9-7---|

Chorus
play this twice
g|----------------------------------|
d|----------------------------------|
a|-----------0-0-0------------0~----|
E|-7-7-7-9-9--------7-7--9~-7~---7~-|

It then goes straight intto the intro with the bell like sounds
Play this Four times. :)
g|-------------|
d|-------------|
a|-------0~----|
E|-9~-7~----7~-|

Verse
only play this Twice
g|-------------------------------------|
d|-------------------------------------|
a|-7-9-----7-7-9-----7-7-9-----------0-|
E|-----7---------7---------7---9-9-7---|

Chorus
play this Four times
g|----------------------------------|
d|----------------------------------|
a|-----------0-0-0------------0~----|
E|-7-7-7-9-9--------7-7--9~-7~---7~-|

Outro
just play an open E, listen to the song you will hear it :)