Transaction not yet indexed

nFf6LaYme67a9xudmbVT8srk16WmZVfUbRNrc5SRDDpTdcVQU1fu1QoS2Q3b5U4GiRdAm1mNPqWhphvAXBeKEDa

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