Transaction not yet indexed

MpLjtgGCFR9QaFjBJ89iCfiBE1SpDPjkW4xD39MyTPfv5HZqtrwwRVTA3QrWHWxqvf7LLEYyt9mA37hS7p2tSPU

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