They're sha256 hashes of the option names and can't be decrypted. You need to remember the original option names.
https://pkg.go.dev/go.mau.fi/whatsmeow#HashPollOptions can be used to get the hashes from names, but you can also just do it yourself
How can we know which option user unseleted?
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How can we know which option user unseleted?
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