ParticipantSeriesSubscriptionTrackMetrics
constructor(@Json(name = "publisher_user_id") publisherUserId: String, @Json(name = "publisher_name") publisherName: String? = null, @Json(name = "publisher_user_session_id") publisherUserSessionId: String? = null, @Json(name = "tracks") tracks: Map<String, List<ParticipantSeriesTrackMetrics>>? = emptyMap())