Transaction not yet indexed

MY21JDRSXDhhBS4RP9s2JGgnJdMwWAJe2fwSfKS8nCxPPWiBeQNcYxftbhaoGm5cQdtiA6pDA1QvxTvA8VamDf5

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