Changes to Fetch Blog Author

the response property blog_id became optional for the status 200

the response property created_at became optional for the status 200

the response property display_name became optional for the status 200

the response property email_address became optional for the status 200

the response property first_name became optional for the status 200

the response property full_name became optional for the status 200

the response property id became optional for the status 200

the response property image_id became optional for the status 200

the response property image_url became optional for the status 200

the response property last_name became optional for the status 200

the response property public_id became optional for the status 200

the response property updated_at became optional for the status 200

added the optional property hint to the response with the 401 status

added the optional property hint to the response with the 404 status