Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEkOk4iNRGUbIeGlT9/bgtI8WQ/ZCRbWuHBvK6JlEzfIF2EUWPm6MTnJrZM… (844 chars)"
  }
}