Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB78Dhb/g/hDaoIYHa5cKwZMvHuFp3yDVIWs399HOj5ZjLtzqwMC7NrA6UD… (1,748 chars)"
  }
}