Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGajubnyRdJjsR5F1Cj9KjXwgbPttE57d/+JCZ8ZjaO1kOXdJxgBbdIKKaA… (844 chars)"
  }
}