Transaction not yet indexed

MNdQD2mzcUhLY2NDDaFLAwBUQeCjpBseqSYfpku4mkPNtczNfH4NJmqWpKDWQHQHZbZNwqH47WSpib2e8D9Evrs

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