Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFnduPudJwbPb5ap6OQB6FEhuVwyD0rXZhPq/vvDvKA3mDdZhvt6nfEgVtY… (844 chars)"
  }
}