NotificationMarkUnreadEvent
data class NotificationMarkUnreadEvent(val type: String, val createdAt: Date, val rawCreatedAt: String, val user: User, val cid: String, val channelType: String, val channelId: String, val totalUnreadCount: Int = 0, val unreadChannels: Int = 0, val unreadMessages: Int, val firstUnreadMessageId: String, val lastReadMessageAt: Date, val lastReadMessageId: String) : CidEvent, UserEvent, HasUnreadCounts
Triggered when the the user mark as unread a conversation from a particular message