Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCwUzj/cRZqdcbOTVNZJr718V63zHCjWGr1907YL/JB5jjhR4d/jpdcvXN4… (1,748 chars)"
  }
}