Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGS70mjVWh4uN/E2xtfEgDrTKaYQmKlZzfXu5hrSGFvUha25Oj6qt3JKn5w… (844 chars)"
  }
}