j"19HxigV4QyBv3tHpQVcUEQyq1pzZVdoAutLgMetahandles are an entry point for humans to Bitcoin data, written to the chain itself.
Metahandle.net
text/plaintext twetch_twtext_1566162697622.txt|"1PuQa7K62MiKCtssSLKy1kh56WWU7MtUR5SET twdata_jsonnullurlnullcommentnullmb_user1362typepost timestamp1707473324309520apptwetch|"15PciHG22SNLQJXMoSUaWVi7WSqc7hCfva
BITCOIN_ECDSA"1AKHViYgBGbmxi8qiJkNvoHNeDu9m3MfPE##computed_sig##
https://whatsonchain.com/tx/74f87fffa6727044929b7acd93f757a7e30b7a15af8fdaa139aac6c820f98051