data class GlobalData(val activeCryptocurrencies: Long = 0, val upcomingIcos: Long = 0, val ongoingIcos: Long = 0, val endedIcos: Long = 0, val markets: Long = 0, val totalMarketCap: Map<String, Double>? = null, val totalVolume: Map<String, Double>? = null, val marketCapPercentage: Map<String, Double>? = null, val marketCapChangePercentage24hUsd: Double = 0.0, val updatedAt: Long = 0)