Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDVVC48BoH7m5xJoa6PUQPKjaBkjfKLkR6G9mv/vp3LMxFRrPepmZCr8shg… (1,748 chars)"
  }
}