Transaction not yet indexed

668Cm8PZcGhMvr9KAn5FEcb4hzcgh6ebrfkrsp17CPF1BriCKvR9gdBDrJ7ZmaKeoD1hvriVPSBPywMHXfUkpRUT

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