Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAy/PA5tGZgllOcWutoU7fqCtLvvfqVMLq0MVkIHSHiNVTSyX8TJ5LrUIoB… (1,748 chars)"
  }
}