Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDMKEYeJQ+lDvCW/b7grlKV+4KTd0DwAkY7HfZC7qEkdgTACfwC9PPuhKtJ… (1,748 chars)"
  }
}