Graphql endpoint not working at dispatcher

Version: AMS 6.5.16

Hi,

I am trying to access newly created Graphql over the dispatcher, when i try to access the same url publish i see the same results but not in dispatcher

I followed below steps to create and publish with Graphql

1. Created Custom CF model
2. Created couple of CF's in dam folder with data
3. Created new endpoint under the /Assets/Graphql and published( selected my project as end point where i created the new cf's)
4. Created Persisted Query under /General/GraphQL Query Editor.

author/graphql/execute.json/myproject/test2
publish/graphql/execute.json/myproject/test2

When i copied the URL and paste it in new tab it is showing the data in both author and publish but not able to access over the dispacther.
( I am getting 404 error)

Can someone explain what are the steps i need to perform here to access over the dispatcher?

FYI - I am not using any authentication for now, just want to access the JSON structure from dispatcher