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": {
      "customer": {
        "customer_id": "<any>",
        "first_name": "<any>",
        "last_name": "<any>",
        "email": "<any>",
        "phone": "<any>",
        "employer": "<any>",
        "shipping": "<any>",
        "metadata": "<any>",
        "created_at": "<any>",
        "test_mode": "<any>"
      }
    },
    "test_mode": true,
    "created_at": "<string>"
  }
}