Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCAaVWNupsA/pLW8SpLOw2RoNhOVAcivvoVubKDjO3gsCdZkLI6qT0gBhox… (1,748 chars)"
  }
}