Transaction not yet indexed

MFvkQ8CooWAM2rJYFhJU691VymNU2eAFz5pKsnoPbwj2zLXXzzhTSvN5eck7mjEsPH74NcyaFmnJjxAccPyP9qT

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