Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAE4K7G4jIYcaP6UaOje+5+azHsMXpen7Yd/9uH3d0EqyvC1mShRDujQEcj… (1,748 chars)"
  }
}