Transaction not yet indexed

MNDDKJsNAZF4gpUNEqcsabig9qMZJbCvKmfCENtwczeHv49ri1kSQ7eLzYt8oWdRRpaQJT9dwWaCSoqaGyDfg84

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