Transaction not yet indexed

421CwFeSh7vSm6g6EiNKCqHimSEviRP1zrngsLcfvykTpJbSmtT8Ad5zQrKiwEPtieQJ8J2ZfHshTTTZdQ9zPZbR

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