Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCk17YxFphETLvu6XKo8gSpGMSg1Kq8IvRZW+MJpOD3nQQwV3HsQuXv9R2+… (1,748 chars)"
  }
}