render blaze in react

<template name="userDisplay">
  <div>Hello, {{username}}</div>
  <div>{{> React component=UserAvatar userId=_id}}</div>
</template>

import React from 'react';
import Blaze from 'meteor/gadicc:blaze-react-component';

const App = () => (
  <div>
    <Blaze template="itemsList" items={items} />
  </div>
);