DELETE /filemeta HTTP/1.1
Host: <AppId>.ci.ap-jakarta.myqcloud.com
Authorization: Auth String
Content-Length: xxx
Content-Type: application/json
Accept: application/json

{
    "DatasetName": "test",
    "URI": "cos://examplebucket-1250000000/test.jpg"
}

{
    "RequestId": "NWFjMzQ0MDZfOTBmYTUwXzZkZV8z****"
}