Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEh2at7vjAUxECGNnKg/D/oAq8KjMsRcY5g4AVA2p5xhwKDbjYhQ6uJSXf6… (1,748 chars)"
  }
}