Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB9c5nFkjeW/puP9bQhAI8tiOwTGTtRB3ezxg0zpZI7a2/eXIrKmA/L0E7Z… (1,748 chars)"
  }
}