Transaction not yet indexed

MSgU6GyoQBYhPDn4VQtZXCEeeb74NUTC7ubWFu4M7MZJVSAyMvNMeujWFVS5PmGcmVwh8z3yKWRvFmdvpYRLUvb

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