<p></p>
<p dir="auto">Option 1 of a single entry array appears to be in line with what we do for nodes, ways and relations? Consider <a href="https://www.openstreetmap.org/api/0.6/node/1.json" rel="nofollow">https://www.openstreetmap.org/api/0.6/node/1.json</a> which gives:</p>
<div class="highlight highlight-source-json"><pre>{
  <span class="pl-ent">"version"</span>: <span class="pl-s"><span class="pl-pds">"</span>0.6<span class="pl-pds">"</span></span>,
  <span class="pl-ent">"generator"</span>: <span class="pl-s"><span class="pl-pds">"</span>CGImap 0.8.6 (225879 spike-08.openstreetmap.org)<span class="pl-pds">"</span></span>,
  <span class="pl-ent">"copyright"</span>: <span class="pl-s"><span class="pl-pds">"</span>OpenStreetMap and contributors<span class="pl-pds">"</span></span>,
  <span class="pl-ent">"attribution"</span>: <span class="pl-s"><span class="pl-pds">"</span>http://www.openstreetmap.org/copyright<span class="pl-pds">"</span></span>,
  <span class="pl-ent">"license"</span>: <span class="pl-s"><span class="pl-pds">"</span>http://opendatacommons.org/licenses/odbl/1-0/<span class="pl-pds">"</span></span>,
  <span class="pl-ent">"elements"</span>: [
    {
      <span class="pl-ent">"type"</span>: <span class="pl-s"><span class="pl-pds">"</span>node<span class="pl-pds">"</span></span>,
      <span class="pl-ent">"id"</span>: <span class="pl-c1">1</span>,
      <span class="pl-ent">"lat"</span>: <span class="pl-c1">42.7957187</span>,
      <span class="pl-ent">"lon"</span>: <span class="pl-c1">13.5690032</span>,
      <span class="pl-ent">"timestamp"</span>: <span class="pl-s"><span class="pl-pds">"</span>2022-02-04T18:05:40Z<span class="pl-pds">"</span></span>,
      <span class="pl-ent">"version"</span>: <span class="pl-c1">30</span>,
      <span class="pl-ent">"changeset"</span>: <span class="pl-c1">117017136</span>,
      <span class="pl-ent">"user"</span>: <span class="pl-s"><span class="pl-pds">"</span>ilya_bohaslauchyk<span class="pl-pds">"</span></span>,
      <span class="pl-ent">"uid"</span>: <span class="pl-c1">12070073</span>,
      <span class="pl-ent">"tags"</span>: {
        <span class="pl-ent">"communication:microwave"</span>: <span class="pl-s"><span class="pl-pds">"</span>yes<span class="pl-pds">"</span></span>,
        <span class="pl-ent">"communication:radio"</span>: <span class="pl-s"><span class="pl-pds">"</span>fm<span class="pl-pds">"</span></span>,
        <span class="pl-ent">"description"</span>: <span class="pl-s"><span class="pl-pds">"</span>Radio Subasio<span class="pl-pds">"</span></span>,
        <span class="pl-ent">"frequency"</span>: <span class="pl-s"><span class="pl-pds">"</span>105.5 MHz<span class="pl-pds">"</span></span>,
        <span class="pl-ent">"man_made"</span>: <span class="pl-s"><span class="pl-pds">"</span>mast<span class="pl-pds">"</span></span>,
        <span class="pl-ent">"name"</span>: <span class="pl-s"><span class="pl-pds">"</span>Monte Piselli - San Giacomo<span class="pl-pds">"</span></span>,
        <span class="pl-ent">"tag"</span>: <span class="pl-s"><span class="pl-pds">"</span>111<span class="pl-pds">"</span></span>,
        <span class="pl-ent">"tower:construction"</span>: <span class="pl-s"><span class="pl-pds">"</span>lattice<span class="pl-pds">"</span></span>,
        <span class="pl-ent">"tower:type"</span>: <span class="pl-s"><span class="pl-pds">"</span>communication<span class="pl-pds">"</span></span>
      }
    }
  ]
}</pre></div>
<p dir="auto">with an single entry array of elements.</p>

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