Transaction not yet indexed

NkkuS61epeBeeyRSYLLNKPmKrHsUciazJ7pzvpg3ecdRwwA7hH8USMBzp1XVdMTU9ih6WR1KdagAPXMWTWG2ivJ

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