Transaction not yet indexed

RR8CiPkoFLqPdAA5CJGS2wDLqz5F6pAr5vVBmEm5Ea4jMAmwZcFyFaRraaQmfKmhuytKYD3Ytiy8hTZaXZEH1tp

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