Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCgGhQajdnm/Zu5EHkIOGl3D3iUceaVcB0NC4wdN2ZkTiY86bh5Uyj+3t5w… (1,748 chars)"
  }
}