Transaction not yet indexed

Cu5QaES4XDKrqAcwHpxSCmgabm8MgQjZRLEB6jGiyU7ViFc71UApRiKcKu8q839Hs5Fa6pXKCiYHmp1pn1BYEE7

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