Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBWHOz8i2SZaHuLs9sXLct+wLmOGtkF6SnSBeXLRUQ5UF1hPlejh+O7NyEG… (844 chars)"
  }
}