It's bubbly to me? Just that (4)

I believe the answer is:

moet

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'it's bubbly to me? just that' is the definition.
'Moet' can be an answer for 'it's bubbly' (Moet is a type of champagne). I'm not sure about the rest of the definition.

'it's bubbly to me?' is the wordplay.
'it's bubbly' indicates anagramming the letters (I've seen this in other clues).
'to'+'me'='tome'
'tome' anagrammed gives 'MOET'.

Can you help me to learn more?

I've seen this clue in The Sun.

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