Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB/1762xh9bNejU/dOOFN/8xpusy3O2T8JR/LeEOCQG2GQ8p1F7RFJKrK7Y… (1,748 chars)"
  }
}