Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCgsMhJT8rbsgy2/WnQyFzVFsPOUGYm5Pkx1Hg0fqpQzyAQY2z8bMmAfGl6… (1,748 chars)"
  }
}