Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCQ+nBL9kCRvPRUOHz54RwCiIEWcpOAPsFwU8xqQD8zUwJ7/FkTh/wwJHD/… (1,748 chars)"
  }
}