Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBy8xu9TH3iHjW0eReR4/d6OEeTI7xAjNO9XGYWCfc+PjEqicg33dCbK9NV… (1,748 chars)"
  }
}