Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHDX7GWO5R9hlUzK/jXFgStXg6T6I1h/y1cM4VW/wkqkTW/W3u+71eM5uxu… (844 chars)"
  }
}