Transaction not yet indexed

MDfXmKqLASxCUxDZJg9SUuVSmqDKAw6umJ54DRFZYVdCsbmSY8hrb4c8Q9yHdNmeCWAhwF9sa3DxTk2ejvKJH4s

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