Transaction not yet indexed

RN15S2Z3cAdBfVBiKxNgDWL61tbRCp3dcGdMsMEBJ4cH1rbcyHapi5RutgpJjxuXE9kcZqPVJkTchcJSCAE28vp

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