Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE4O5jfRbpNvdVvm1IFrwXX7fe2kIoPXQCMvjB4RR9hkVLiTzqBcp6uM9nw… (844 chars)"
  }
}