Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBOnUwzs+3tl3d+cKiIAbDk1p23Gqq+yd2welI52xH+j2z0PpdA7HYzYqfx… (1,748 chars)"
  }
}