Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGRZK/gBlz6IFHBd7fvSr1zuPXAlVNVvxdpaGzY/bcjLgNBX1me9gF9KJfe… (1,748 chars)"
  }
}