I’m trying to generate a JWT with base64 encoded json string.
When the json string is not encoded as base64 everything works but when it does I get an error about Unexpected JWS content.
This is the code that creates the JWT:

public String generateJWT(Object data) throws Exception {
   PrivateKey privateKey = getPrivateKey();

   String dataJson = objectMapper.writeValueAsString(data);
   String dataJson64Base = Base64.getEncoder().encodeToString(dataJson.getBytes(StandardCharsets.UTF_8));

   return Jwts.builder()
         .content(dataJson64Base)
         .signWith(privateKey)
         .compact();
    }

And this the reading code:

private Claims readClaimsFromPayload(String jwt) throws Exception{
   PublicKey publicKey = getPublicKey();

   Jws<Claims> claims = Jwts.parser()
                .verifyWith(publicKey)
                .build()
                //.parseEncryptedClaims(jwt);
                .parseSignedClaims(jwt);

   return claims.getPayload();
}

I also tried using parseEncryptedClaims to no avail. The base64 string is a requirement so I have no other option…
I’m new to JWT 🙁