Create object variables in prefilledVariables on start bot

const reqData = {
          typebot: TypebotName,
          prefilledVariables: {
            number: '929292920000',
            contact: {id:1, name:'John', address:'xxx',...others keys}
          }
        };
        const { data } = await axios.post(
          TypebotUrl,
          reqData
        );