Transaction not yet indexed

21kfFf2qHuq9FUbhMWsbDorqWiWSCQWDe1XeKifeTbu3VT9YcRbKzspsRr5wUDPkMGRtpu4xZgoze5cGXWgM12mE

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