Webapp in blazor webassembly, alow to modify Json through Edge option Override content and pass the process

In a Webapp in blazor webassembly, the option on Edge navigator Devtools / "Override content" allow to modify the json file and pass the process.

Exemple :I recieved from a call API a status {UserId : 12345 , Authorised: False }With the option in DevTools Override content (right click on the json File) we can change the property Boolean to True and continue.

https://learn.microsoft.com/en-us/microsoft-edge/devtools-guide-chromium/javascript/overrides

How can i block this process...

Thanks for your help.

I have no Idea to block that