Пример процедуры https://procedure-sandbox.prozorro.sale/api/procedures/5ee9dc8c20528a098c35d62a
ТЗ https://gitlab.prozorro.sale/public-projects/documentations/-/blob/master/Nadra/nadra-english/nadra-english.md#%D0%BF%D0%B5%D1%80%D1%96%D0%BE%D0%B4-%D0%BF%D1%96%D0%B4%D0%BF%D0%B8%D1%81%D0%B0%D0%BD%D0%BD%D1%8F-%D0%B4%D0%BE%D0%B3%D0%BE%D0%B2%D0%BE%D1%80%D1%83-awardsigningperiod