Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBy4YTDwOCH3uw8qei+N0AX7c3H2zJrMf6sjd8ogjtzQkXKNSeiEzB8dzma… (1,748 chars)"
  }
}