Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCj5/XRX+S2SJbFJXsQWTtlJA4a43+2yTgNmzDxdFmvJk88NRPZVv/Uf/mT… (1,748 chars)"
  }
}