Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDyLQvY5T+wYdpvvOdwkNk4YKmjqJkm5ZLWF+UE+eRn21cEx5S1Ra4htIBR… (1,748 chars)"
  }
}