stimulus

"Stimulus": {
            "orientation": "rows",
            "sections": 2,
            "position": 2,
            "size": 0.5,
            "stimulus": "{\"text\":\"sometext changed\",\"image\":\"\\\"\\\\\\\"\\\\\\\"\\\"\",\"audio\":{\"src\":\"\",\"caption\":\"\",\"credit\":\"\"},\"video\":{\"videos\":[{\"video\":{\"token\":\"Qpdt3vPHHKJQxvBAFTGYRM7Nw4-fjOUY8raUi16Dng0yhvYRtnT4nA..\",\"account\":\"2995123056001\",\"player\":\"SJmcCBl7\",\"videoid\":\"\"}}]}}"
        }