{{#each nav }}
  • {{ @key }} {{#if this.subnav }}
      {{#each this.subnav}} {{#each this}}
    • {{this.group}} {{#if this.items}}
        {{#each this.items}}
      • {{this.text}}
        • {{/each }}
      {{/if}}
      • {{/each }} {{/each }}
    {{/if}}
    • {{/each }}