Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAKr9rQu82WdM/FdOZobu5bavvltmIY8HFuS4yte0Xv12ynayFniSiGEPPZ… (1,748 chars)"
  }
}