Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEtlZVZHYNmrbWWBNybWPRhHdkN7FNUHRWalGlNE6t18nWXWKxLvI9KFJes… (844 chars)"
  }
}