Parameters

ID

ID is unique string to mark the request which is same as id property of ack.

Topic

The topic you want to subscribe to.

PrivateChannel

You can subscribe to some private topics through the privateChannel parameter. This parameter is set to "false" by default. When set to "true", you can only receive content pushes related to the topics you subscribe to.

Response

If the response is set as true, the system will return the ack messages after the subscription succeed.