Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDyOBy3SBAsIyMHNyZ69BxZX+CguSEgwuVSM46e9QZJCTyKXvADybU6Z0d/… (1,748 chars)"
  }
}