Transaction not yet indexed

KuUu9v24favCHGdgLgNThZDc5cYLzQSDCM6iaz6mD8CDpcogp6ReQZoffbrjqhbFMsXwUN2vPcGCEfAx6JzzsF4

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