Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAr5PH3D1NQNz+Lr73Gu+9SReUbINiOvn7J0nK9VezzuVYx+4qEhgWECixF… (844 chars)"
  }
}