Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHxu/SgbBr+OOOtIlClbiqBnmSQrBXlgWUe9nRH2nQ4B14Z8hqh0qaIMM6P… (844 chars)"
  }
}