Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBOOjN0TjOvsW4BQgJsbm2hVCFgcQkibtddfmZaokk/cFyUVbTkOEy6vj/9… (844 chars)"
  }
}