Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFIqObNbDlO7xv0XaWafjnPxEj49QrHiDItO8U0s4U8o2A+1glK+jOm5Vgn… (844 chars)"
  }
}