Transaction not yet indexed

2CouUY63WtkYHvNC11kcdJTqYWhky7JN1egzsRemq3MjNTvQZPQu3nWSQDRqK4qrv3uNLbvCSWi2kYRyUxZB5Yd1

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