Verify webhook signatures

import Relay from "@relaymessenger/sdk";

const relay = new Relay({
  apiKey: process.env.RELAY_AGENT_TOKEN!,
  baseURL: "https://api.relayapp.im",
  webhookSecret: process.env.RELAY_WEBHOOK_SECRET!,
});

const rawBody = await request.text();
const event = relay.webhooks.unwrap(rawBody, {
  headers: request.headers,
});