Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB1taQgMqNok3asZLuW0aramF3Aj0qMuPrAg8V0kH9jfV/TvEp3wuHDP8Nx… (1,748 chars)"
  }
}