Transaction not yet indexed

1NMCSti4DEP96CxpHDQDYCA8WUqGzVwamAkmKewgG9bTvKVW79dj1DZYVhUC1Zuj17XdzPD8C2fZ4H4MN2ys2at

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