Transaction not yet indexed

MkTW7ixWpMewP1E9J1PUS2ZdAGiwFQFPqT89n8w5A4ZhazKRCtmdbaXaoeUGbxH5QmrGeqs7brXQvmPJtNZbV7F

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