4337 shBundlerRPC specificationseth_chainIdOn this pageeth_chainId This method returns the chain ID of the chain the bundler is servicing for. Parameters None. Returns A string representing the chain ID. Example Request { "jsonrpc":"2.0", "id":1, "method":"eth_chainId", "params":[]} Example Response { "jsonrpc":"2.0", "id":1, "result":"0x1"}