Decodes the raw data of a Token-2022 mint and returns the fields that make it a Seeker Genesis Token,
or null when it is not one: data too short to hold extensions, not a mint, no TokenGroupMember
extension pointing at the SGT group, or no MetadataPointer extension pointing at the SGT group.
Decodes the raw data of a Token-2022 mint and returns the fields that make it a Seeker Genesis Token, or
nullwhen it is not one: data too short to hold extensions, not a mint, noTokenGroupMemberextension pointing at the SGT group, or noMetadataPointerextension pointing at the SGT group.Pure and offline: works on bytes from any source.