Transaction not yet indexed

MxRD78pJpYGoHoaPsfxxtv4iDLo25ZuEVRHR3CwXMzbgWrgWzzVPCpiUhDi4NaPXwFE9gnZQLPwXRJbk2vCfyMS

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