Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQJ+0zMaNK4QMa8JTuKhvNbcm0fdYG5t/ux2qlB00b53UBfqSMfoVbvp98fn… (1,748 chars)"
  }
}