@readthisplease using a Pc and Hive Keychain extension (where you can import your keys including the memo one) and Peakd it would show you a lock besides the transaction in your wallet that you can open easily.

Download extension: https://play.google.com/store/apps/details?id=com.mobilekeychain&hl=en_US&gl=US

How to configure and use KeyChain: https://leopedia.io/how-to-download-install-and-use-the-hive-keychain-browser-extension/