Transaction not yet indexed

NUc4x7cQXbQMEPJbUtUtXfEJSSqDXaqdf7svEhBBh1ibDAi6nZdZLZ2xhQont7kUPsFvpxayFv4d9hsDPdSFFnY

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