Transaction not yet indexed

Nkfgs21BqC28uYAeWk1QxVXPKPkoQfSRuQeATP8svMJDQXpt4t4BqLwyfDddoBuEesn5ytDMFFwSMm5GgJQjb7B

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