Transaction not yet indexed

21U3PCK211dQWQ9qFsr8YcQLsTqRJUT4mkp3e6zu2GgQyckHrwCDKNea4bvoMccXGXGRDyZGwFdzVQmw8UNcUemN

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