Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHpkciKLF+HdQ9aFOa21RB3GQ3J8XtTydkescKM4x3zp2kTgu2enSZx4WGB… (1,748 chars)"
  }
}