{
  'chart' => [
               {
                 'ylable' => 'Y-lab',
                 'type' => 'line',
                 'title' => 'title_1',
                 'description' => 'desc1',
                 'xlable' => 'X-lab',
                 'series' => [
                               {
                                 'x_data' => [
                                               '1',
                                               '2',
                                               '3',
                                               '4',
                                               '5'
                                             ],
                                 'y_data' => [
                                               '20',
                                               '90',
                                               '60',
                                               '50',
                                               '30'
                                             ]
                               }
                             ]
               }
             ]
}