Exploratory Notice For The Acquisition Of Expressions Of Interest Aimed At The Identification Of Economic Operators Whom To Possibly Entrust, Through Subsequent "Direct Assignment" Through The Siaps/Mepa Platform, Pursuant To The Combination Provided Of Art. 50, Paragraph 1, Letter B) As Well As Art. 2, All. Ii.1 Of Legislative Decree 36/2023, A Service Aimed At Creating A Communication Plan And Corporate Communication Processes (EXPIRED)