Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA+hxZiQ4rUXvY5JnzseO4EgqdmwG5zmLFbmKP+Y9DuBxVWceDFO5XWhriM… (1,748 chars)"
  }
}