sample svg with 2 "layers"

2-layers-svg-as.txt

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
   xmlns:dc="http://purl.org/dc/elements/1.1/"
   xmlns:cc="http://creativecommons.org/ns#"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   xmlns:svg="http://www.w3.org/2000/svg"
   xmlns="http://www.w3.org/2000/svg"
   version="1.1"
   id="svg28094"
   viewBox="0 0 744.09448819 1052.3622047"
   height="297mm"
   width="210mm">
  <defs
     id="defs28096" />
  <metadata
     id="metadata28099">
    <rdf:RDF>
      <cc:Work
         rdf:about="">
        <dc:format>image/svg+xml</dc:format>
        <dc:type
           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
        <dc:title></dc:title>
      </cc:Work>
    </rdf:RDF>
  </metadata>
  <g
     id="layer1">
    <text
       id="text28642"
       y="451.99582"
       x="433.35791"
       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:180.6524353px;line-height:125%;font-family:'Times New Roman';-inkscape-font-specification:'Times New Roman';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
       xml:space="preserve"><tspan
         y="451.99582"
         x="433.35791"
         id="tspan28644">layer 1</tspan></text>
  </g>
  <g
     id="layer2">
    <text
       xml:space="preserve"
       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:180.6524353px;line-height:125%;font-family:'Times New Roman';-inkscape-font-specification:'Times New Roman';text-align:center;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
       x="336.21506"
       y="377.71008"
       id="text28646"><tspan
         id="tspan28648"
         x="336.21506"
         y="377.71008">layer 2</tspan></text>
  </g>
</svg>

2-layers.svg