Unidentified payment

Are you sure, that this is a genuine Apple Mail, and not a scam?

Avoid phishing emails, fake 'virus' alerts, phony support calls, and other scams - Apple Support

You can check your purchases history, to find out, if you did buy anything in that price range.

But it is very likely a fraudulent mail.

If you see apple.com/bill, itunes.com/bill, or an unfamiliar charge on your statement - Apple Support

I want to add

If you see a transaction you do not recognize or have an issue with a transaction open Wallet>tap on the card used>tap on the transaction (photo 1)>tap on the amount (photo 2)>look for a report an issue link. (photo 3)

photo 1 - select the transaction

photo 2 - click the amount

photo 3 - click the link