DeserializationFeature.USE_LONG_FOR_INTS example

public Map<String, Object> decode(String base64EncodedKey, String content) {
    try {
        byte[] decodedKey = Base64.getDecoder().decode(base64EncodedKey);
        SecretKey key = new SecretKeySpec(decodedKey, 0, decodedKey.length, "AES");
        JWEObject jwe = JWEObject.parse(content);
        jwe.decrypt(new AESDecrypter(key));

        ObjectMapper objectMapper = new ObjectMapper();
        ObjectReader reader = objectMapper.readerFor(Map.class);
        return reader.with(DeserializationFeature.USE_LONG_FOR_INTS)
                .readValue(jwe.getPayload().toString());
    } catch (Exception e) {
        throw new RuntimeException(e);
    }

}