var On= {"id":0, "src":"user_1", "method":"Switch.Set", "params":{"id":0,"on":true}}

var Off= {"id":0, "src":"user_1", "method":"Switch.Set", "params":{"id":0,"on":false}}

if(payload == 1){

    return JSON.stringify(On);

}

else{
 
    return JSON.stringify(Off);
    
}