Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB5/5oC8a0Pd0qLK40VaktbTs69z8mx6+LQ4gucS1ZLZzRQXX1LtBHVLxZ/… (1,748 chars)"
  }
}