Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFaAus5QxZkpzLvKwEZ2TtUAqWdXT1u1+MYPeUqNqbBS2H9eRwOWdLFY1hx… (844 chars)"
  }
}