How to Export Relume Wireframe to Existing Webflow Project

Hello, I am working on a project to export to webflow. I have an existing webflow project with a site plan and a couple page drafts I want to keep. I am now trying to export my Relume wireframe/style guide into the existing project using the Relume App in Webflow. How can I do that? I tried this: https://www.relume.io/resources/docs/updating-existing-projects and it didn't work