Transaction not yet indexed

UYk8xHPTepfaKNrFA5dS2Z5xCc71NJHWw9bW7zkMqBmK1wnGSC8yfquDv9F9mXoTcgXGbKyATfcvyaxkTKyP8Sy

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.