Transaction not yet indexed

MkEYdzWazpfEXSdsmes2E1GvD1kqVaWDhd7e3115r2Q7KrhhsdpgTP8sx8u6HR8vxdLuAVBWiQ2q3r4GoHhoMoW

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