Transaction not yet indexed

Nu6TgXZEioh3c5p3HZDhPQtF5tHBhNk8ZtzDBJLK16fubRTTmcNsW1pCmhCJHvZQFiyCvGZFfHJgqz8suVud1Rz

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