Transaction not yet indexed

21UBjtMfAjYmqV9TMQxFc3Uh1m2FgddKPJLWsw48JkfU1YRLGyvr5LrYyHuViVFP8eppoEwueBtZQALdBm9iSyS2

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