patch https://example.com/proxy_api/v1/tl-isps/users/change
To change a sub-user's authentication, provide the following information:
1. userId: The user ID of the user you want to update.
2. country: The country of the user you want to update.
3. username: The new username (10 to 15 characters long).
4. password: The new password (exactly 10 characters long).
5. authtype: The new auth type of sub-user (user or socks).