Transaction not yet indexed

MpVkthGmrmU4JzvrkSSPLwZZDxM7L2DLSgAx13rw7GEbdvZbT1g3XfHXS5cUPGw2SfApuur9thWYQXfCGN3ykHP

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