Transaction not yet indexed

NMtU8SowHv4b1ofbyXhzgjXuwLm5Tfj8J1LWnffCKMs6jjwGFoUJ1Yu4bHaQuRL4AXK6uHbfWbZpGcrdySFNt1J

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