Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDyQO1d1CESc9T7cl1VPneoGP8Vxtrq7NIvH2Xk27CmflJuOXd3QF5jGf5w… (1,748 chars)"
  }
}