Transaction not yet indexed

LetffYJuCkpakSGVExEqnnM9fUtdUU1BjsnAmTf1T6X4VtBm6NnEqbynMSwCZNsPPPziAGJbWSnTdFuZJgQ2RsR

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