Transaction not yet indexed

21y6ifFnXq7rSe4355tPQ5rZ4aqnCEEPyuZaJfrax7KgXgt3QDVncHhnZ3wWTyEW2AX1vdWMCBV5zcSrCMrqpnw7

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