Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH4dUwNJv7kNIkrhCg8eWXRWKE2rbiPOHDMm+UHW7kTJkW+Vp9EViQVjHIx… (844 chars)"
  }
}