not received my coins

[koyuncu]

Please help me to find the transaction from Poloniex to Bitrex exchange. The Poloniex status "complete"
Address: ad7739743cf232a4fc81e20b566cf35d81521300096b2f69d5e22e4f4d0803baae41ababf54b
Txid: 50d5755620ee037a52eed85ae5315c42b104bf57dda90cfc0101308b1a7ee0f7
The Sia Explorer show me that hash is not in data base.Also not received my coins, not reached to bitterex. Please help me.
Where is my coins?