upload image to smooch via rest api

post_image.js

var Smooch = require('smooch-core');
var request = require('request');
var jwt = require('jsonwebtoken');
var fs = require('fs');
var USER_ID = 'a_user_id';
var KEY_ID = 'your_key_id';
var SECRET = 'your_secret';
var token = jwt.sign({
  scope: 'app'
},
  SECRET,
  {
    headers: {
      kid: KEY_ID
    }
  });

request.post({
  url: 'http://localhost:8091/v1/appusers/' + USER_ID + '/conversation/images',
  formData: {
    role: 'appMaker',
    text: 'hola!',
    source: fs.createReadStream('./tea.jpg')
  },
  headers: {
    'authorization': 'Bearer ' + token
  }
}, function(err, res, body) {
  console.log(err, body);
});