curl --request POST \
  --url https://eu-gcp-api.vg-stuff.com/v3/agents/{agent_id}/usage \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "range": {
    "start": 123,
    "end": 123
  }
}
'

{
  "message": "<string>",
  "code": "<string>",
  "issues": [
    {
      "message": "<string>"
    }
  ]
}