Check if moderation requests are pending via REST API

This tells me about the status of a particular message. What I'm asking about is whether or not there is anything in the queue to moderate. I believe this is what I need:

https://community.khoros.com/t5/Developer-Documentation/bd-p/dev-doc-portal?section=commv1&leaf-id=Node.messages.moderation.required#Node.messages.moderation.required.count