Transaction not yet indexed

MCMK6F1aTJXffzRnqVZ7ZoSD9WNx4PbHt5EU8AfCKe9fbh9FT1fsuXocuh34FUwpdyP3WxkFGRDixWGb3JJPeFF

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