Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAE/PD8bJN/5u96zMJzgf+nSk9RphXyEOCgvTG67lvlTjRlVxaP71xqkA/6… (1,748 chars)"
  }
}