Ledger State
data class LedgerState(val chainId: ChainId, val epoch: ULong, val version: ULong, val oldestVersion: ULong, val timestampMicros: ULong, val nodeRole: String, val oldestBlockHeight: ULong, val blockHeight: ULong, val gitHash: String?, val encryptionKey: ByteString?)
Current fullnode ledger state with every Aptos u64 represented losslessly.