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Content-Type: application/json; charset=utf-8

{"type": "FeatureCollection",
    "features":[
{
   "type":"Feature",
   "id":"fields_alias.2",
   "geometry":null,
   "properties":{
      "alias_id":3,
      "alias_name":"three",
      "utf8nameè":"three èé↓"
   }
}]}