Such order of publication shall be entered by the clerk in a suitable book kept by him for the purpose and signed by him and a certified copy of such order shall be published as a Class II legal advertisement in compliance with the provisions of article three, chapter fifty-nine of this code. Both the newspaper and the publication area shall be designated in the order of publication. When it shall appear that such order of publication has been duly published as aforesaid, the court may proceed to hear and decide such cause in the same manner as if such parties had been personally served with process: Provided, however, That the order of publication shall have been executed, as aforesaid, at least ten days before the day on which any such cause may be called for hearing.