Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG3b3FNUfIIENJVR+ndV9BmCEBEsdPeVbQ3azNHIXxI9kXXa6PsJPfjJzGr… (844 chars)"
  }
}