ShiftOut_mqtt_payload_decode

local function consume_data( payload )
    --we will parse the payload and excute it,publish the return value
     print(payload)
     msg=cjson.decode(payload)
     loadNumber=msg.ln
     targetStatus=msg.ts
    if(targetStatus==0) then  loadStatus=bit.clear(loadStatus,loadNumber)                 
    else loadStatus = bit.set(loadStatus,loadNumber)  end   
    serialOut(loadStatus)
    print ("Status of the loads : ")
    print (loadStatus)
end