Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGg6TG7GhgMt6ReNw9Imv5R+oPX75Xq1MrH2l+yS5dGKWtmHTYFo5UVZMGw… (844 chars)"
  }
}