message: test in-app notification telling users on 7.5.46 to update their app
diff: {
  - "id": 1,
  + "id": 2,
  "from": 1576573200,
  - "to": 1579219200,
  - "type": 2,
  - "title": "Save 20% on Annual Plans!",
  - "text": "Upgrade to any annual plan and pocket some extra cash just in time for the holiday season!",
  - "button": "Learn more",
  - "url-mac": "https://toggl.com/winter-is-here/?utm_source=desktop&utm_campaign=winter-is-here&utm_content=desktop-mac",
  - "url-win": "https://toggl.com/winter-is-here/?utm_source=desktop&utm_campaign=winter-is-here&utm_content=desktop-windows",
  - "url-linux": "https://toggl.com/winter-is-here/?utm_source=desktop&utm_campaign=winter-is-here&utm_content=desktop-linux"
  + "to": 1591190835,
  + "type": 0,
  + "appversion": "7.5.46",
  + "title": "Update your app to continue using Toggl",
  + "text": "Please update your app by clicking cogwheel -> About -> Restart&Update or download and install the updated app manually",
  + "button": "Download here",
  + "url-mac": "https://toggl.com/toggl-desktop/",
  + "url-win": "https://toggl.com/toggl-desktop/",
  + "url-linux": "https://toggl.com/toggl-desktop/"
  }
  \ No newline at end of file
  