getRegisterData

function getRegisterData(message: RegisterMessage): {
  domain: {
    readonly chainId: 10;
    readonly name: "Farcaster IdGateway";
    readonly verifyingContract: "0x00000000Fc25870C6eD6b6c7E41Fb078b7656f69";
    readonly version: "1";
  };
  message: RegisterMessage;
  primaryType: "Register";
  types: {
    readonly Register: readonly [
      { readonly name: "to"; readonly type: "address" },
      { readonly name: "recovery"; readonly type: "address" },
      { readonly name: "nonce"; readonly type: "uint256" },
      { readonly name: "deadline"; readonly type: "uint256" },
    ];
  };
};