Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCd28yTAh5Wt/aZ5QvjAwVPUkdXl/DdE5KgKAmqtFmEp0Tj8UTJMI/A8H2h… (844 chars)"
  }
}