Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCsqRvQlbM+RaKWw/yaQ2LhAb1nM6yLK4UxM6BS8OkjmQWK1mLz5jm1UHGE… (844 chars)"
  }
}