// Response Code "02". Token not provided.// Return data:{"respCode": "02","msg": "No token"}// Response Code "03". No userId parameter.// Return data:{"respCode": "03","msg": "No userId parameter"}// Response Code "04". No courseId parameter.// Return data:{"respCode": "04","msg": "No courseId parameter"}// Response Code "08". Account not found. // Return data:{"respCode": "08","msg": "User not found"}// Response Code "09". Course not found.// Return data:{"respCode": "09","msg": "Course not found"}
// Response Code "06". Token is invalid or has expired.// Return data:{"respCode": "06","msg": "Invalid token || Token has expired"}
// Response Code "07". Your account is not authorized to perform the query.// Return data:{"respCode": "07","msg": "Your account does not have permission"}
// Response Code "01". Wrong request method.// Return data:{"respCode": "01","msg": "Request method should be GET"}
// Response Code "05". Server not able to authenticate your account.// Return data:{"respCode": "05""msg": "Server not able to authenticate your account"}// Response Code "10". Server is not able to add this course to this user.// Return data:{"respCode": "10""msg": "Server is not able to add this course to this user"}