Bana bak yaptigin her heyden haberim var

My Try:

I think it should be şeyden.

Look at me. I am keeping my finger on the pulse of everything that you do.

Not Sure.

 Literal meaning is  ; " Look at me, I have all news that you do " But the real meaning is ;

Look, I know everything that you do.

Listen, I am aware of everything that you do.

There is a sense of "warning" in the sentence. The person is warning the other that He/she is aware of everything that he/she does.