My mongodb data got corrupted and I couldn't restore it. Kindly help me to restore the datas.

Error:
2018-03-23T16:50:44.490+0530 I - [initandlisten] Detected data files in /var/lib/mongodata created by the 'wiredTiger' storage engine, so setting the$
2018-03-23T16:50:44.491+0530 I STORAGE [initandlisten] wiredtiger_open config: create,cache_size=8G,session_max=20000,eviction=(threads_min=4,threads_max=4$
2018-03-23T16:50:44.520+0530 E STORAGE [initandlisten] WiredTiger (-31802) [1521804044:520514][5696:0x7f26780eccc0], txn-recover: unsupported WiredTiger fi$
2018-03-23T16:50:44.520+0530 E STORAGE [initandlisten] WiredTiger (0) [1521804044:520594][5696:0x7f26780eccc0], txn-recover: WiredTiger is unable to read t$
2018-03-23T16:50:44.520+0530 E STORAGE [initandlisten] WiredTiger (0) [1521804044:520618][5696:0x7f26780eccc0], txn-recover: This may be due to the log fil$
2018-03-23T16:50:44.520+0530 E STORAGE [initandlisten] WiredTiger (0) [1521804044:520639][5696:0x7f26780eccc0], txn-recover: You should confirm that you ha$
2018-03-23T16:50:44.520+0530 E STORAGE [initandlisten] WiredTiger (-31802) [1521804044:520668][5696:0x7f26780eccc0], txn-recover: Recovery failed: WT_ERROR$
2018-03-23T16:50:44.524+0530 I - [initandlisten] Assertion: 28595:-31802: WT_ERROR: non-specific WiredTiger error
2018-03-23T16:50:44.524+0530 I STORAGE [initandlisten] exception in initAndListen: 28595 -31802: WT_ERROR: non-specific WiredTiger error, terminating
2018-03-23T16:50:44.524+0530 I CONTROL [initandlisten] dbexit: rc: 100