Transaction not yet indexed

NMm6pPJ8CdoWT2jUYvg1oPZKD7Fw7RE6YGKRUeNHwZL5ojuChpfHU2FDaQ1GP7eQLraxNa21GNJbWC9FDNwccmt

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