Passing Params to Persisted Query Endpoint AEM GQL
I know that we can use POST method to make normal GQL query and perform GQL Ops but I wanted to know how can we achieve the same for persisted query, when I make a POST call with variables, I get an error:

When I copy URL which takes variables AEM gives URL which looks like this:
https://<DOMAIN>/graphql/execute.json/GetArticlesByID;filterExpressions=
and here's how my variable looks like:
{
"filterExpressions": {"_logOp":"OR","_expressions":[{"value":"422322","_operator":"EQUALS"},{"value":"422321","_operator":"EQUALS"}]}
}
when I pass it directly in filterExpressions, it gives me error saying: