Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEnsoFDu2Q+/iNFk6tf1y9LYeHKyxKsYdapT3liOCEpJ2jTSE/Cuo3hgBR6… (844 chars)"
  }
}