Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFzlcURyQEOXmC/6gne7orBOWVfuN0OYhHo9d+mOuUhZB7ZXnTa6C2w7lRE… (844 chars)"
  }
}