OK I think it sounds preety good ...

Here it is    

Bass intro
G|----------------------|
D|----------------5---7-|
A|-5-7-777-5-7777---5---|
E|----------------------|

Verse
G|----------------------------------------------------------|
D|----------------------------------------------------------|
A|------------------------------------------------------5---|
E|-0-0-000-0-0000-0-0-000-0-00000-0-000-0-00000-0-000-3---5-|


Chorus

G|-------------------------------------|
D|-------------------------------------|    
A|----------3-3-3---------------5-5-5--|
E|-1-1-1--------------3-3-3------------|
You know me ...        You know me ...

G|-------------------------------------|
D|-------------------------------------|    
A|----------3-3-3----------5-----------|
E|-1-1-1--------------3-3--------------|
You know me ...        ...Iron fist


Or the chorus might go like this:


G|-------------------------------------|
D|-3-3-3-------------5-5-5-------------|    
A|----------3-3-3---------------5-5-5--|
E|-------------------------------------|
You know me ...        You know me ...


G|-------------------------------------|
D|-3-3-3-------------5-5---------------|    
A|----------3-3-3---------5------------|
E|-------------------------------------|
You know me ...      ...Iron fist