Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGiJz+fICsMZcNbcgSw0oIUcXOD1f5Q7eZ6TgsdXMflzH5hnxt2iN29QQXi… (1,748 chars)"
  }
}