Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDHq+E6NDTDhZobRmOw9x4qwrodRniq6PZ9qqN6c3bJ5h6VtX2GnVAxHE9+… (1,748 chars)"
  }
}