Transaction not yet indexed

MatN1bmu6zUGW6zcN1xTKatwveH48bhPdRXTnmtiDE6FYnHn1RF3H8HvrybqUYuNEYj4xiE9WYrEDx5BKTcEMZ1

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