[100] One of the parameters specified was missing or invalid: keyboard contains incorrect JSON



{
   "one_time":false,
   "buttons":[
      [
         {
            "action":{
               "type":"location",
               "payload":"{\"button\": \"1\"}"
            }
         }
      ],
      [
         {
            "action":{
               "type":"open_app",
               "app_id":6232540,
               "owner_id":-157525928,
               "hash":"123",
               "label":"LiveWidget"
            }
         }
      ],
      [
         {
            "action":{
               "type":"vkpay",
               "hash":"action=transfer-to-group&group_id=181108510&aid=10"
            }
         }
      ],
      [
         {
            "action":{
               "type":"text",
               "payload":"{\"button\": \"1\"}",
               "label":"Red"
            },
            "color":"negative"
         },
         {
            "action":{
               "type":"text",
               "payload":"{\"button\": \"2\"}",
               "label":"Green"
            },
            "color":"positive"
         },
         {
            "action":{
               "type":"text",
               "payload":"{\"button\": \"2\"}",
               "label":"Blue"
            },
            "color":"primary"
         },
         {
            "action":{
               "type":"text",
               "payload":"{\"button\": \"2\"}",
               "label":"White"
            },
            "color":"secondary"
         }
      ]
   ]
}