Transaction not yet indexed

666SZUB58akun4Z8FGSbUBC6L2cs6vuGmoMzTWhiK5SJDLZEJDqvWVdeivAXC8Rnat8YAWHMLztQQPEf9xFEkMPy

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