Transaction not yet indexed

21MFvbaD7dmpi54nqRD2ebMDPPggnFAmmy78Ek2K2p5kjGecmEg6Qe94ZkPmucuRmCM4sYCZgsWMefVaTdDmcM37

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