function parse(text: string): BrandedMessage

{domain} wants you to sign in with your Ethereum account:
{address}

{statement}

URI: {uri}
Version: {version}
Chain ID: {chainId}
Nonce: {nonce}
Issued At: {issuedAt}
Expiration Time: {expirationTime}
Not Before: {notBefore}
Request ID: {requestId}
Resources:
- {resource1}
- {resource2}

const text = `example.com wants you to sign in with your Ethereum account:
0x742d35Cc6634C0532925a3b844Bc9e7595f251e3

Sign in to Example App

URI: https://example.com/login
Version: 1
Chain ID: 1
Nonce: abc123def456
Issued At: 2021-09-30T16:25:24.000Z
Expiration Time: 2021-10-01T16:25:24.000Z
Resources:
- https://example.com/resource1
- https://example.com/resource2`;

const message = Siwe.parse(text);
// {
//   domain: "example.com",
//   address: Uint8Array(20) [...],
//   statement: "Sign in to Example App",
//   uri: "https://example.com/login",
//   version: "1",
//   chainId: 1,
//   nonce: "abc123def456",
//   issuedAt: "2021-09-30T16:25:24.000Z",
//   expirationTime: "2021-10-01T16:25:24.000Z",
//   resources: ["https://example.com/resource1", "https://example.com/resource2"]
// }

const original = Siwe.create({
  domain: "example.com",
  address: userAddress,
  uri: "https://example.com",
  chainId: 1,
});

const formatted = Siwe.format(original);
const parsed = Siwe.parse(formatted);
// parsed equals original

// User signs message in wallet
const signedText = await wallet.getLastSignedMessage();

// Parse to validate format
try {
  const message = Siwe.parse(signedText);

  // Validate structure
  const result = Siwe.validate(message);
  if (!result.valid) {
    throw new Error(result.error.message);
  }
} catch (err) {
  console.error("Invalid SIWE message format");
}

const messageText = req.body.message;
const signature = req.body.signature;

const message = Siwe.parse(messageText);
const result = Siwe.verifyMessage(message, signature);

if (result.valid) {
  createSession(message.address);
}

function format(message: BrandedMessage): string

const message = Siwe.create({
  domain: "example.com",
  address: Address("0x742d35Cc6634C0532925a3b844Bc9e7595f251e3"),
  uri: "https://example.com",
  chainId: 1,
  statement: "Sign in to access your account",
  nonce: "abc123",
  issuedAt: "2021-09-30T16:25:24.000Z",
});

const text = Siwe.format(message);
console.log(text);
// example.com wants you to sign in with your Ethereum account:
// 0x742d35cc6634c0532925a3b844bc9e7595f251e3
//
// Sign in to access your account
//
// URI: https://example.com
// Version: 1
// Chain ID: 1
// Nonce: abc123
// Issued At: 2021-09-30T16:25:24.000Z

const message = Siwe.create({
  domain: window.location.host,
  address: userAddress,
  uri: window.location.origin,
  chainId: await provider.getChainId(),
});

const text = Siwe.format(message);
const signature = await wallet.signMessage(text);

const message = Siwe.create({ ... });
const formatted = Siwe.format(message);

console.log("Please sign this message:");
console.log(formatted);

const message = Siwe.create({ ... });
const text = message.format();
// Same as Siwe.format(message)