Adaptive Cards are not showing up in Mobile Teams

nagajeyanthi , mrPsycox10 - We got update from engineering team that nested Column and ColumnSet is the issue. Please try below JSON, it works fine. We have tested it.

{
    "type":"AdaptiveCard",
    "body":[
       {
          "type":"TextBlock",
          "text":"Here's your most recent requests",
          "wrap":true,
          "weight":"Bolder",
          "horizontalAlignment":"Center",
          "size":"Large",
          "color":"Default"
       },
       {
          "type":"Image",
          "url":"https://www.colorhexa.com/f9a31c.png",
          "width":"1000px",
          "height":"10px",
          "horizontalAlignment":"Right"
       },
       {
          "type":"ColumnSet",
          "columns":[
             {
                "type":"Column",
                "width":"auto",
                "items":[
                   {
                      "type":"Container",
                      "items":[
                         {
                            "type":"Container",
                            "items":[
                               {
                                  "type":"TextBlock",
                                  "text":"${title}",
                                  "weight":"Bolder",
                                  "color":"Dark",
                                  "horizontalAlignment":"Center"
                               }
                            ],
                            "selectAction":{
                               "type":"Action.Submit",
                               "data":{
                                  "action":"ticket",
                                  "id":"${value}"
                               }
                            },
                            "minHeight":"50px",
                            "verticalContentAlignment":"Center",
                            "style":"accent"
                         }
                      ],
                      "$data":"${getTicketsList}"
                   }
                ],
                "id":"firstOne",
                "verticalContentAlignment":"Bottom"
             }
          ]
       },
       {
          "type":"Container",
          "items":[
             {
                "type":"TextBlock",
                "text":"Main Menu",
                "wrap":true,
                "weight":"Bolder",
                "color":"Default",
                "horizontalAlignment":"Center"
             }
          ],
          "selectAction":{
             "type":"Action.Submit",
             "data":{
                "action":"mainmenu"
             }
          },
          "spacing":"default",
          "style":"warning"
       }
    ],
    "$schema":"http://adaptivecards.io/schemas/adaptive-card.json",
    "version":"1.4"
}

Thanks, 

Prasad Das

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