Transaction not yet indexed

5c21hFkcNMFYGRQfxa13eo7h5h68z6ak2M4zhFLE8cUprnmT1P4xZmadfyCR5VcCgUK1hKcmdsMW23SyLYK2Kpqd

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