Transaction not yet indexed

421nmCfzwME7ws8XD9TWKYd4F2msv3Eq3e8aAF3P1Jqa2ynjwnw62msfjU2a79Cjr2VXagSjWDhNbaZ43U3Dmdnm

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