Transaction not yet indexed

MkD3DwqHNuPReC2RK9zvbSbPhB6DKqmNKQPccfLAd4ZYfCiYdD6sjTp1xML3dQDbcMRipKZSz28MEF6Tf2mbu3R

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