SubscribeChangeEvent

public SubscribeChangeEvent SubscribeChangeEvent(String userId, SubscribeType subscribeType, SubscribeOperationType operationType, Long subscribeTime, Integer expiry)

userId

The ID of the subscribed user

subscribeType

Subscription type

operationType

Operation type (subscribe / unsubscribe)

subscribeTime

Subscription time (Unix timestamp in milliseconds)

expiry

Subscription duration in seconds