Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDzVv7BDciY/kVJ2p8yhkxvsBJMR/9yIN74U5w4SZkx/18nFVpCYwKPIpqJ… (1,748 chars)"
  }
}