The Governor shall establish a parking authority whenever requested by the governing body of a city of the metropolitan class in which the county seat is located. The authority shall be established by the Governor issuing a proclamation declaring the existence of such an authority and filing a copy thereof with the Secretary of State. The authority shall be a body corporate and politic to be known as .............. Parking Authority, therein inserting the name of the city requesting the authority. Such an authority shall be a governmental subdivision of the State of Nebraska with the powers and authority provided by sections 14-1701 to 14-1725. Such authority is declared to be an instrumentality of the state exercising public and essential governmental functions in the performance of the powers conferred upon it by sections 14-1701 to 14-1725.