Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFz4kmwAuj5rNrxYtFiLF5hDhi8gJtBvQ6wIXipYgFV9FkAouj36f1oE/1M… (1,748 chars)"
  }
}