private void clearRequestId() {
        bitField0_ &= ~0x00000001;
        requestId_ = 0L;
    }
<pre>
Response =&gt; [4, 9]
"request_id" is used to tell the client that
this notification is a response to the specific request
</pre>

<code>optional int64 request_id = 4;</code>
turms-client-kotlin/src/main/java/im/turms/client/model/proto/notification/TurmsNotification.java