Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA74O/D/vYNrZF2TN/azcboIcrkafB+EinQFQI5YkxM6Ck6nk6i8HyU7Zgl… (1,748 chars)"
  }
}