Transaction not yet indexed

Nb8mvSNcqgEC5UC5kMLdRV5dYA9GnJryE6rhXeSxd1eiQC8Q185v3TnktPH3k7SAdk86uEwh9wU7TMsZqBTwwhE

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