def perform(arguments = {})
      case type.to_sym
      when :post, :get
        api.public_send(type, path, @arguments.merge(arguments))
      else
        raise ArgumentError, "Unregistered request type #{request_type}"
      end
    end
def perform(arguments = {})
      case type.to_sym
      when :post, :get
        api.public_send(type, path, @arguments.merge(arguments))
      else
        raise ArgumentError, "Unregistered request type #{request_type}"
      end
    end
Returns plain JSON response received from Disqus
 @param [Hash] arguments
 @return [String]