Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD2l5hE/zT0x9weizk4OmUJcklvJDV/c08C0xSWLwqkd1OOi63MIYa/x1a1… (1,748 chars)"
  }
}