<div class="ts-page-header">
    <div>

        <h1 class="ts-page-header__title">Dashboard</h1>
        <p class="ts-page-header__sub">Everything that needs your attention today.</p>
    </div>
</div>
<div class="ts-page-header">
  <div>
    {{#if eyebrow}}<div class="ts-eyebrow">{{eyebrow}}</div>{{/if}}
    <h1 class="ts-page-header__title">{{title}}</h1>
    {{#if sub}}<p class="ts-page-header__sub">{{sub}}</p>{{/if}}
  </div>
  {{#if action}}
  <div class="ts-page-header__actions">
    {{#if secondaryAction}}<a href="#" class="button">{{secondaryAction}}</a>{{/if}}
    <a href="#" class="button button--primary">{{action}}</a>
  </div>
  {{/if}}
</div>
{
  "eyebrow": null,
  "title": "Dashboard",
  "sub": "Everything that needs your attention today.",
  "action": null,
  "secondaryAction": null
}

Acceptable where the page is a top-level destination and the headline alone is unambiguous.