Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBIkUhXuBxOj5T+IPgf9mnxgGAuvSq4KfIE8SR4oMYKmUNdeu0Lm0KhS3D/… (844 chars)"
  }
}