def request_signature(email, cc: nil)
      params = { email: email }
      params[:cc] = cc if cc.is_a?(Array)
      Mifiel::Document._request("#{Mifiel.config.base_url}/documents/#{id}/request_signature", :post, params)
    end
def request_signature(email, cc: nil)
      params = { email: email }
      params[:cc] = cc if cc.is_a?(Array)
      Mifiel::Document._request("#{Mifiel.config.base_url}/documents/#{id}/request_signature", :post, params)
    end
rubocop:enable Metrics/MethodLength, Metrics/AbcSize