Transaction not yet indexed

66ffKUBEKv43vuStFAP3hedRxogv1gqdT3ao7RCvntcYxSnhTjUuuLNpTcVG79HpXcavbXWtgfHNcZCQLDwoNjjo

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