curl --request PUT \
  --url https://api.example.com/store/items \
  --header 'Content-Type: application/json' \
  --data '
{
  "namespace": [
    "<string>"
  ],
  "key": "<string>",
  "value": {}
}
'

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>",
      "input": "<unknown>",
      "ctx": {}
    }
  ]
}