I am tring to generate jwt token with below code

const PRIVATE_KEY_PATH = join(__dirname, ‘./keys/privateob.pem’);

const jws = require(‘jws’);
const ALG = ‘PS256’;enter image description here

const privateKey = {
key:readFileSync(PRIVATE_KEY_PATH,’utf8′).toString(),
passphrase: ‘Passphrasehere’
}
const payload = {
foo: ‘bar’,
};

const token = jws.sign({
header: { alg: ALG },
payload,
privateKey,
})

But it showing it error
TypeError [ERR_INVALID_ARG_TYPE]: The “key.key” property must be of type string or an instance of Buffer, TypedArray, DataView, or KeyObject. Received an instance of Objectenter image description here