Async
constructor(chainId: String, transactionApi: TransactionApi, feeEstimator: <Error class: unknown class><<Error class: unknown class>>? = null, signer: <Error class: unknown class><<Error class: unknown class>>? = null, handler: <Error class: unknown class><<Error class: unknown class>, <Error class: unknown class>>? = null, coroutineContext: <Error class: unknown class>? = null)