Transaction not yet indexed

668ctxuSjReE6bD4YhtdMKWBbfUxsV5tZwJZksUUGgtYwrqDPzL3L7PyyLkDEiJvGJLrTHoUaAExfu6aPGGXzMnS

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