Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBVVzUJxYZfV5Pih8HhBIenT227cj09UJWaAYgWV3X/8Gxw8ePtQPBkmhH6… (1,748 chars)"
  }
}