Transaction not yet indexed

421iUULvWaVoxQMXZYbXkLE4WBvm9LB585jMMgmQBEbLi3XGAeKZRiMesd82AcfjTbnFxRC63i3JfTMkZBj2kPLT

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