Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEp68+LCGcHUmxOAjUZJmhm3NmySKrDoO6gnAj7Qr1mQUBF7h0ISC1Yj1TA… (844 chars)"
  }
}