Transaction not yet indexed

421MTLWCrPxEtVe4QSamvpikE67zjprDwL3zpq9EMZRUEiYLQi3RBdmPusFu8eEo1gnxNetEK5M1MGgxKTxMDAyR

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