You can easily create a temporary hash to do the searches: 
my %hash = map %$_, @rpc;

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لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re^3: extracting elements by key from an array of hashes by choroba
in thread extracting elements by key from an array of hashes by ciderpunx

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