Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBo8IWHSHV2qvqId5g8xH/+H0F0QEVYHwLiFihQ+scY9GcODvQ2yNMS9uzg… (1,748 chars)"
  }
}