Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD14HIv9VaQP22RddiqpRs0wuy/g53oYpuUCts6rqQ1Uw6wq8xDHq4Na4qM… (1,748 chars)"
  }
}