Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCCjnIEtPOE/49Ga060g8Z6aRP6W6f7tE5GLze3j6N6Sxnu86GNTKJEkwUt… (1,748 chars)"
  }
}