Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDGZ5QX9+XWowh+zAP/yGNCe5/8Zfyg98rqzawSAHCg5Ve/0FO7q5IITGbL… (844 chars)"
  }
}