Transaction not yet indexed

5Rx51YwGK4EzvwfDs4QnLem3bs3q6uPx91mwk8wgSjZgGNKFmvqSye1DQqJV7cKpErbJ2b5jbPjiXvPs4JCsomJ8

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