curlconverter/test/fixtures/node-axios/put_basic_auth_json_data.js

const axios = require('axios');

const response = await axios.put(
    'http://localhost:28139/test/_security',
    '{"admins":{"names":[], "roles":[]}, "readers":{"names":["joe"],"roles":[]}}',
    {
        headers: {
            'Content-Type': 'application/x-www-form-urlencoded'
        },
        auth: {
            username: 'admin',
            password: '123'
        }
    }
);