See the section on ISO-defined data elements (ver 1987) it has evolved since but this is what the industry uses still in USA.
https://en.m.wikipedia.org/wiki/ISO_8583
MystikDan-delion /
npub1pn…rqlgr
2024-08-07 17:56:27
in reply to nevent1q…6tzc
Author Public Key
npub1pncg62q25h704u6qcf56hnmxx46jdlwfpw2t860ld5685s0sjzms9rqlgrPublished at
2024-08-07 17:56:27Event JSON
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