Recover public key from DID token

recover.js

import {recoverPublicKey, hashMessage} from "ethers/lib/utils"

// DID token generated from Wallet API /account endpoint
const didToken = "WyIweDAyMTdhMjRlMTFkYTg4NTU2YWUwYzMxNzc3OWE4MGQ2OGYxNDY1YWMzNmY0ZWY4Yjk2YTY1ZTZkNzUxZWExMjk0NDZmZDc2N2NjZjczYTliZmFhZTEzZDczNDAxODNlZTliOWM3ODBkOGNkYzJlNDEzOWI5NzdlZWViYjkzYzExMWIiLCJ7XCJpYXRcIjoxNzEyMDQ5MTYxLFwiZXh0XCI6MTcxMjA1Mjc2MSxcImlzc1wiOlwiZGlkOmV0aHI6MHhmQjI1YTQxYTY0ZTc0ZjVDNmIyM2IyRkI0NDhDZjkzNDUxODlhM2U1XCIsXCJlbWFpbFwiOlwidmxhZGltaXIuaGFsdGFrb3ZAZ21haWwuY29tXCJ9Il0"

// Public address generated from the Wallet API /account endpoint
const actPublicKey = "0x04b5640e6b4e0590adf368105897c98acffde2dad3e1c148d6bcd05f410d5fb1a019bc7dea9e04badad53f81713317d931a926b7f4418bafc6cdb1a43dce1cb663"

// Decompose the DID token into signature and payload
const [signature, payload] = JSON.parse(Buffer.from(didToken, "base64").toString("utf-8"));

// Compute the digest of the payload
const digest = hashMessage(payload);

// Recover the public key from the digest and signature
const recPublicKey = recoverPublicKey(digest, signature);

// Compare the recovered public key with the one returned from the Wallet API
console.log({actPublicKey, recPublicKey})