Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQC7A/UtulBzkMnkSit5Glnp9Xj9ChRAifYywytj4WGw1UZKtFjhwGx8Ffao… (1,748 chars)"
  }
}