List all users

Example response

{
  "users": [
    {
      "access_role": "ro",
      "email": "test@datadoghq.com",
      "handle": "test@datadoghq.com",
      "icon": "/path/to/matching/gravatar/icon",
      "name": "test user",
      "verified": true
    }
  ]
}