Layout - basic setup

{
   "sections": [
      {
         "name": "accountInformation",
         "label": "Account Information",
         "active": true,
         "cols": 3,
         "rows": [
            [
               {
                  "apiName": "Name"
               },
               {
                  "apiName": "AccountSource"
               },
               {
                  "apiName": "Industry"
               }
            ],
            [
               {
                  "apiName": "Phone"
               },
               {
                  "apiName": "Fax"
               },
               {
                  "apiName": "Website"
               }
            ]
         ]
      }
   ]
}