Transaction not yet indexed

MRtWTDt3tt598KGSSJmjbru5wfeWSwLiK5sZMDmWnjALT1tjzQJvoUQJqG2etnvnSY2V4Z2ZcQ9N39k3UMMPkPD

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