获取日志主题绑定的机器组

GET /topic/machinegroup?topic_id=xxxx-xx-xx-xx-xxxxxxxx HTTP/1.1
Host: <Region>.cls.tencentyun.com
Authorization: <Authorization String>

GET /topic/machinegroup

HTTP/1.1 200 OK
Content-Type: application/json
Content-Length: 123
{
    "machine_groups": [
    {
        "group_id": "xxxx-xx-xx-xx-yyyyyyyy",
        "group_name": "testname"},    
        {"group_id": "xxxx-xx-xx-xx-zzzzzzzz", 
        "group_name": "testname1"}
    ]
}