Transaction not yet indexed

NmLk3o7ANfkqzSgN39V41StLuEVZ1bFh71SUpPp6eCUPqYpTVGsVHsqNqdGmGKpZs1AkU3TwLrrCryc6aBeLTYR

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