Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBYCg3Uj7BxF+4o5wj6i6PuAHp4WA+IKHGXy5KPT1jGFjPKjeUc4psZ4dBz… (844 chars)"
  }
}