Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAB7r8X7d720ET/W5i8ms2jDVSZWLusAUKjXlOEHhYL6AGeZFJKbHz6WaPC… (1,748 chars)"
  }
}