curl --request GET \
  --url http://localhost:4000/api/datafeed/marks

{
  "id": [
    "<string>"
  ],
  "time": [
    123
  ],
  "color": [
    "<string>"
  ],
  "text": [
    "<string>"
  ],
  "label": [
    "<string>"
  ],
  "labelFontColor": [
    "<string>"
  ],
  "minSize": [
    123
  ]
}