Extract Public Key from JWT Payload

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For server-side verification, I am able to extract the JWT payload successfully. This includes the “compressed app-scoped public key”. I am not entirely clear what this is. What I am looking for is the EVM-style public key that corresponds to the client-side private key. Can I calculate this from the JWT payload?

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I figured this out. Using etherJS, the following works:

const address = ethers.utils.computeAddress(`0x${compressedPublicKey}`);