Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBGBaaiy6huJbS9AQbx8TUpTgVHF0JBeYhJNSq+2FRZ2Gtj4j3nff5y6ZKK… (1,748 chars)"
  }
}