Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAcZxtz+/n2tUQ04k/+gB9+0Ol/kTV5zemEYvBf1qdAJFjx349zOucy3kAJ… (1,748 chars)"
  }
}