Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQK/vpAQXkHdRDWMI/zfbEKYV5PS8sNJPZYZAWtIY1lhpD+0U5xGKDWW+4DB… (1,748 chars)"
  }
}