Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAlcjB3YIGf6BuR2z81S7TZEzIv5P9/TW7yrX2aEN6cfWKDacIa6ijyGYed… (1,748 chars)"
  }
}