POST http://localhost:3000/api/v1/mock/powow
Content-Type: application/json

{
    "APIKey": "powow",
    "Command": "TransactionalSms.Send",
    "ResponseFormat": "JSON",
    "SmsID": 0,
    "MobilePhoneNumber": "+33699999999",
    "TimeToSend": "2017-01-01 10:00:00",
    "CustomData": {
        "Firstname": "Rm9v"
    }
}