The affidavit for such attachment shall be made by or in behalf of the plaintiff, shall be entitled in the action, shall set forth the amount of indebtedness secured by the lien and then unpaid, with the name of the debtor, and a copy of the lien statement shall be attached thereto as an exhibit. No other averments shall be necessary therein. Any judge of the district or the court commissioner of any county therein may allow the writ, and upon the filing of the affidavit and order of allowance with the court administrator the writ shall issue forthwith.