Transaction not yet indexed

21SP4pPPgbhAPCyRFeA6e3vwqjTr4Jaub8wvPBpeDmMdy4ZLjC1i79BUyvaPNJkZ9qnjuJJxyoxCHPD4S84zZog7

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