Transaction not yet indexed

HM6xLUNzqKbbc4xuAV244P1G2LJAXwSdqNU6bKUxyyjnyqxrHL9MEpZiq8UHKTaAEmo2smJKyvkxk2ioVLUrQW8

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.