Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDEfx1yT90S1jWZ5uAVVgXPL8q4ip3mWOX0RrTRj/kM1gHdrIwAl5Jh2JN6… (844 chars)"
  }
}