Transaction not yet indexed

668aXBzDgzeKdbJQrfB9g2bWEMs1LN5xSGWrSsmEsChdXcMW8yUZ5UUedd3i4jFPmDcJgVEaRoxQHoF9nigSS5uU

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