Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDrEz17mrgb4aLJ7URXqUpEUcxnEhhUDP+tXNWA8qKs+zFMcUvbNoc4tpFC… (1,748 chars)"
  }
}