Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBg6WzIyRTDrWSZb480/3c4oQp1IKvFu6FGAhkzV51JWD2BBiLLdm0E9e74… (1,748 chars)"
  }
}