Transaction not yet indexed

5MC3DVfmDWynxhnaBTBrQH15ECDsVShPEqtBnKnSZkRTcGTjhTiMT7eDWDMHUhcyZLU1QuwMRSvgWtFutmbx8Kn2

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