Transaction not yet indexed

668AcYdTfZWDi6fbhYxdV8ygWwPy68eeJaDkKbVVoQsVwJ6kpXhBZFC4Neh7hNXr1qd7AdUNCkX1RQdCGH67oWN8

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