Being silent, perhaps, pay attention (6)

I believe the answer is:

listen

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'pay attention' is the definition.
(to listen to someone)

'being silent' is the wordplay.
'silent' can be anagrammed to 'LISTEN'.
However, I am not clear how this is indicated.

'perhaps' acts as a link.

Can you help me to learn more?

(Other definitions for listen that I've seen before include "Hark!" , "Harken" , "Pay heed (to advice)" , "Take heed -- 13 (anag)" , "Take notice" .)

I've seen this clue in the Evening Standard.

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