Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAMZSQHiIJv2XPjk+JTiwv6gri1huG4C4kCX7/u5Tm6dzn81NTMHYnOiXFo… (844 chars)"
  }
}