Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH7Nai6U6pHYUkqxD0anqEsx1maaqWIqH/EXR5zBTIhOg/m/GdSKSUKOhBH… (844 chars)"
  }
}