How to create a crypto key to use with JWT from a Github pem file

unexpected ASN.1 DER tag: expected SEQUENCE, got INTEGER at DER byte 7 DataError: unexpected ASN.1 DER tag: expected SEQUENCE, got INTEGER at DER byte 7

crypto.subtle.importKey(
        'pkcs8',
        binaryDer,
        {
            name: 'RSASSA-PKCS1-v1_5',
            hash: 'SHA-256',
        },
        true,
        ['sign'],
    );