Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBD6XYz/eDX0JsXeaLcHcbgb2HPHflgwLTECfC01fe/Tyi7z5qkZdMY8TKe… (1,748 chars)"
  }
}