Is this secure? (encrypted and signed(?))

1_encrypt.py

import jose
from json import dumps
from Crypto.PublicKey import RSA

key = RSA.generate(2048)
private_key = key.exportKey('PEM').decode('utf-8')
public_key = key.publickey().exportKey('PEM').decode('utf-8')

from jwcrypto import jwk, jwe
from jwcrypto.common import json_encode

payload = {
    'url': 'https://jwcrypto.readthedocs.io/en/stable/jwe.html#examples',
    'user': 'asdfasdfasdf asdf saa sd fdas'
}

jwk_public_key = jwk.JWK.from_pem(bytes(public_key, 'utf-8'))
jwetoken = jwe.JWE(dumps(payload), json_encode({'alg': 'RSA-OAEP', 'enc': 'A128CBC-HS256'}))
jwetoken.add_recipient(jwk_public_key)
encrypted = jwetoken.serialize(True) # True for compact

2_decrypt.js

var jose = require('node-jose');

const keystore = jose.JWK.createKeyStore();

const private_key = ...;

keystore.add(private_key, 'pem').
    then((result) => {
        console.log(result);
        jose.JWE.createDecrypt(keystore).
            decrypt(payload).
            then((result) => {
                console.log(result.plaintext.toString());
            });
    });