Transaction not yet indexed

NBmkgkRwrEMKkBZNoaCfeqTCALAgb6RvRTKqLTE9db3jXRFFWNNygUseQJT7xFj4em6prVtKcqZsjxUKai8LTYM

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