Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCk4htYBi0MdzWtESgGNPOMvOvmRMBBd7UNuw/sUDuOuWduTwGi/7yFvEvj… (1,748 chars)"
  }
}