Transaction not yet indexed

MLKAd5zFA9tfKqNV6bGtv2JmS5zr7Brv1cDSbouFo1xXQamsaKLKqSu8m6P6rGz9ubs4Q1QQxpFnxAjjekdCLUg

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