Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGAOaxLPWplAq5aDJbCMIiuziPEyJ68n3hBFpWtGCGcoEL/P+SY0E4XgNmw… (844 chars)"
  }
}