Transaction not yet indexed

AmUGnKK44fubp1Ej5M4Br2RhaNWMMNUdCSUykPui8by5HFi8B9SR4d7gTSo3T1v8MeE5bxQP7b2G2Gk5a91ZGoy

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