```ruby
module TokyoApi
  class Krautbuster < Base
    def base_path
      'krautbuster'
    end

    def full_user(session_id)
      client.get_request("#{normalized_base_path}full_user/#{session_id}").body
    end

    def session_status(session_id)
      client.get_request("#{normalized_base_path}session_status/#{session_id}").body
    end

    def user_path(session_id)
      "/#{normalized_base_path}user/#{session_id}"
    end

    def subscription_status_path(token)
      "/#{normalized_base_path}subscription_status/#{token}"
    end
  end
end```

Include signature_lookup_path parameter on user path
user
```ruby
module TokyoApi
  class Krautbuster < Base
    def base_path
      'krautbuster'
    end

    def full_user(session_id)
      client.get_request("#{normalized_base_path}full_user/#{session_id}").body
    end

    def session_status(session_id)
      client.get_request("#{normalized_base_path}session_status/#{session_id}").body
    end

    def user_path(session_id, signature_lookup_path)
      "/#{normalized_base_path}user/#{session_id}?signature_lookup_path=#{signature_lookup_path}"
    end

    def subscription_status_path(token)
      "/#{normalized_base_path}subscription_status/#{token}"
    end
  end
end```
assistant