Transaction not yet indexed

621aMfU3Ti2nU7KGAXecDsTaUTmB4Y1FzzqZ3AYExiieTe6BcRirwXDo3tyoeUhUBSm21T8vnKPqzj7meuLjT5VG

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