CastAsset
constructor(userAuthToken: String, platformAsset: CastPlatformAsset, headers: Map<String, String>? = null, flAnalyticsData: Map<String, Any>? = null, videoAnalyticsData: Map<String, Any>? = null, customAdMetadata: Map<String, Any>? = null, metadata: Map<String, Any>? = null, bookmarkData: EpisodeBookmarkRecord? = null)
Creates CastAsset instance