Transaction not yet indexed

RT543vkoGpWRy2mntjGmsYH5MvzTc45REBVvrnEtUHBmt8siz8RdPZAqWN9jriTkYAFZnVp6s1MEiAQn6LGSXs1

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