shell> curl -X PUT --data-binary @- --dump - http://localhost:8529/_api/user/admin@myapp/database/_system <<EOF
{ 
  <span class="hljs-string">"grant"</span> : <span class="hljs-string">"rw"</span> 
}
EOF

HTTP/<span class="hljs-number">1.1</span> <span class="hljs-number">200</span> OK
content-type: application/json; charset=utf<span class="hljs-number">-8</span>

{ 
  <span class="hljs-string">"_system"</span> : <span class="hljs-string">"rw"</span>, 
  <span class="hljs-string">"error"</span> : <span class="hljs-literal">false</span>, 
  <span class="hljs-string">"code"</span> : <span class="hljs-number">200</span> 
}