Transaction not yet indexed

MDke8CfkWpwt1EgzEjjprbsR7u7f7FfvUAMshCCCqRwZJDwi66yMd84WnBWYXFLrUdJS8pzBDUb2vVhrFDUAt2D

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