Transaction not yet indexed

5MdWMJUzs5jCAqAPvMnDLHzAx2h7ak1sxTVEuPj5fcjD7ikJzJsrsuZSyNQvB11XnbyTfpJHnQ8ZP9v8FKLmzek7

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