Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAjoIyhKlmvvP9RPKjd8XcwYX0hH0JpFRqX84NyMYunxzTgdo7F2Y6ks1rf… (1,748 chars)"
  }
}