Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwALJmKDUYxmlPg6TTv7FxWaPjzZq0pqa/IHRozSXvA2E2H6A/Rvp1BQg3g6… (844 chars)"
  }
}