Transaction not yet indexed

NMKmkthbKYWCi5gBBaLZcbqkbXgTmjbfonE69AzvX15Tk9BBrNyUBxh6pHg3FyvodJKgYuYReHvbXd6SP1eXvM5

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