Transaction not yet indexed

UEC6f6NHBWLUXFtP1uRKGxYUMmdqQ7eaPQYjsPjCNJD5dhFsTM3FbjWtYNEcZdMx7oRPSyWrvbZGrCdttwtmff6

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