Transaction not yet indexed

668qkEnBUDuTcmNwuEkfkF1XFhp59jNAAfbvr1WyVuto1CvZKu4un671KW6er5MnRgCyR1xZCmNXcM9cppJtNNyB

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