Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAVK23OT8pSenDz2oIfjvliW34kpnl3DaESrLIdiQ1yZCO0byKM1C/E6VRe… (1,748 chars)"
  }
}