curl --request POST \
  --url https://api.withflex.com/v1/events/{id}/retry \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "event": {
    "webhook_id": "<string>"
  }
}
'

{
  "event": {
    "event_id": "<string>",
    "event_type": "account.updated",
    "object": {
      "external_partner": {
        "origin": "shopify",
        "domain": "<string>",
        "flex_partner_id": "<string>",
        "created_at": "<string>",
        "access_token": "<string>",
        "metadata": {}
      }
    },
    "test_mode": true,
    "created_at": "<string>"
  }
}