Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDMYWE1aS2tmzcweG1KdZrFp/WP5wx7NdZczoXTinOKMwpqMKI4K3sd4PeP… (1,748 chars)"
  }
}