Sign the given EIP-7702 authorization object.
function signAuthorization(options: {}): Promise<{  address: string;  chainId: number;  nonce: bigint;  r: bigint;  s: bigint;  yParity: number;}>;The options for signAuthorization
Refer to the type SignAuthorizationOptions
let returnType: Promise<{  address: string;  chainId: number;  nonce: bigint;  r: bigint;  s: bigint;  yParity: number;}>;The signed authorization object
import { signAuthorization } from "thirdweb"; const authorization = await signAuthorization({  request: {    address: "0x...",    chainId: 911867,    nonce: 100n,  },  account: myAccount,});