Transaction not yet indexed

iSSmGvaSaeKCpdruVNU8G9HAVwdoEStboev7JWRLkqa47zbPGcC28GRnDLKgP5cR1eJxpuUYtpYuHER7gQJ3tQj

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