Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDkJZM/G3C8kpCKcP15iXERZ9Nu48uY+ClHOw+7VFPt41kknx9V8F0WvMAu… (1,748 chars)"
  }
}