Send Sms Batch Request Body

{
    "messages": [
        {
            "receiver": "string",
            "message": "string",
            "tag": "string",
            "custom": "string"
        }
    ],
    "route": 0,
    "scheduleDate": "string",
    "automaticResponseId": 0,
    "custom": "string",
    "tag": "string"
}