Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDLRq8J8YLt+PqMEbYafE9FIKA8B9JD+Jte04SAjm86rEwf6N+QSxNhM3Qz… (844 chars)"
  }
}