Transaction not yet indexed

666URDgmMbbZdNHEQu6XrCGEfLrjVawmETPqqn25ZcffXKYTYdWjibicuFKfHsp4dymyVxmCAt5ANxeEyrAEX6qM

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