Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEk5ZlfKihq0Pv1H+pLIgNLDQBoU/P8OXykOV7D7F3ijWsXIY9pUAR1gTfH… (844 chars)"
  }
}