Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBfdKnC3QbmHEHi+np3q4ekplHnPH9ZTTC/FWbCA2+syE8LwFjS7c1N+uyO… (1,748 chars)"
  }
}