Transaction not yet indexed

4c21dNivN65PJ9pqYU6sTmpNgvxQKedkYkueaQCbhsdCof9kWSinXvd34XD9SEtFP2BLN31mKfACpAtTfcdDXX5y

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