Transaction not yet indexed

Q21SabdSGfdAqEcroZ7i3P9miYXS6iFGyQEtcGTHUMCR6S84WY2GaeuU9ahjQZUNPLhZWrNVMpPg3qiqDfnGkEX

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