Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBjr3bIfxzTwBazFrEvuNQ6vcA4qzM02zdL/oXWY8+5IiDsbR6IUcskb4x6… (1,748 chars)"
  }
}