Transaction not yet indexed

NmkEncGcWk17pwDSDe44CJEP2dNTEDJqcMvJrMQShn7vrZH2qEw66ikHcDPZhARWo1vcxcN8JGPzYdnLyAHrkn6

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