Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBIz7GIJ8bipLNNEE1r8muztGIPjZ4wVA81d1vh1oOVj0qVfcqBQY80Xpxm… (1,748 chars)"
  }
}