Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBGxOTP+CCVbATsQnczIIxkVhZi/AUoRtSJ1KQRVj+UMUh9o0cuGXBz5kc+… (1,748 chars)"
  }
}