Transaction not yet indexed

NXMmX6pLWAjnzSoqkNisLAebYmqhfcjHmaWeHa3XTkUQcRpdkbi8MrPFKrPqpMKc8Xw4eeq2n1WHXVsshKtrZVT

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