Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA7is/jlDHuM2maeUM+oudR8sAIXdANswO+VZPHuHiiYk6hgWL6/RK3dX7+… (1,748 chars)"
  }
}