Transaction not yet indexed

NMknPNzk32Fx2bcQR6F2w1ssdRMKFfbP2mNvfHJa5AJWW5RJuTjJCjqkGCuCbGjUbgLfmCvmg9iYDxiaXYEhpgm

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