Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE1Kv2nDH1qRSq4uedtRlcSYVaVZ+4+/TNNdsL/EeIjl2wzaLJI6Ui7OJtU… (844 chars)"
  }
}