Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDF/yDh2X/MrNZb6e7A/FEKJZo6R/6hhJdZzpFXL6ADG17zbHjNiFd0iHtc… (1,748 chars)"
  }
}