Transaction not yet indexed

PLX78Ho8LdcLngW1HaPTGmDEKpVurHFQW4qeYGhZJfUd9Lmnk8M8o7YR9FiWMriRd2izqukso81CJdeKmVRhCdQ

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