Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCspjgfR+StTFMazoFK5iYuC8r1/6OG8eS8dhr7YpZVTk+6PrdFY51IZ+bL… (1,748 chars)"
  }
}