curl --request POST \
  --url https://api-next.ofauth.com/v2/access/promotions/trial-links \
  --header 'Content-Type: application/json' \
  --header 'apiKey: <api-key>' \
  --header 'x-connection-id: <api-key>' \
  --data '
{
  "trialLinkName": "<string>",
  "subscribeDays": 183,
  "subscribeCounts": 2,
  "expiredAt": "<string>"
}
'

{
  "id": 123,
  "trialLinkName": "<string>",
  "url": "<string>",
  "subscribeDays": 123,
  "subscribeCounts": 123,
  "claimCounts": 123,
  "clicksCounts": 123,
  "expiredAt": "<string>",
  "createdAt": "<string>",
  "isFinished": true,
  "user": "<unknown>",
  "sharedWith": "<string>"
}