Transaction not yet indexed

518CwSYLTvsRHspqfFqYRZcK8zkny1AYFddu8Mu7S9xVEJyF3C4sfKYHZHNNo53WVoJVq3ahaaDNXh2k7TNSBWUQ

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