Transaction not yet indexed

MDkCtLbGWWiM8bPrH6y5crexsXtBFoEz1cXuirhBDPghwgKh1JYC9cgVTfyaSpvQPS1AHchM3pf5iSeJSDrv2B5

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