MDVR MACID in Topic: UPPERCASE
ex. CA810101
Topic & JSON Key: snake_case
ex. CA810101/state/start_up
Stage Server: 60.251.55.126:8883
Production Server: 35.189.173.54:8883
${MACID}/sms{
"time": number, // 發送時間, Unix Timestamp
"taskId": string, // 任務編號
"message": string // 訊息內容
}