Transaction not yet indexed

668NzoRWRqX899hYVrjCBahgoX8zYeZnrqr57uAU7WW6Np5VmTEtVUi9kjGZrPEeGvKhMAPLa3HhBFDuzmq2H6Ks

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