Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGVfCbGd+AuYbxJ3LkZmvZ3qJeyfJKpA3JRK+2qqUzKqBuGvOgBHMJ1h7pM… (1,748 chars)"
  }
}