Transaction not yet indexed

NMgS7cPoUSMuMqtrNyBjxPwP8S3D7ptsExM9GJbyMYD7sE6ZK7SCQEx9gswB4snYCHCw9LTRDyFFB3z2KYF5sr4

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