curl --request POST \
  --url https://api.nomos.energy/subscriptions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "plan": "pln_xrdd3cmce35komujuoyvvtqg",
  "customer": {
    "type": "person",
    "first_name": "John",
    "last_name": "Doe",
    "email": "john.doe@example.com"
  },
  "address": {
    "street": "Torstraße",
    "house_number": "119",
    "zip": "10115",
    "city": "Berlin"
  },
  "meter": {
    "number": "1APA0195124010",
    "type": "smart",
    "estimated_usage": 2500
  },
  "payment_method": {
    "type": "sepa_debit",
    "sepa_debit": {
      "iban": "DE68500105178297336485",
      "account_holder": "John Doe"
    }
  },
  "previous_supplier": "mp_osuyitx6949k65lt74fjt67e",
  "next_possible_start": true,
  "intended_start_date": "2024-01-01",
  "lead": "lead_iuz906cxrrc1rl0smye1d1lu",
  "product_orders": [
    {
      "type": "smart-meter"
    },
    {
      "type": "14a_enwg",
      "14a_enwg": {
        "module_1": true
      }
    }
  ],
  "metadata": {
    "utm_source": "google",
    "utm_campaign": "campaign_name",
    "user_id": "1234567890"
  }
}'

{
  "object": "subscription",
  "id": "sub_rocbrf1u5e48mm0reeqoag90",
  "plan": "pln_ctj3tjzc7dywznuw1dy80lb3",
  "customer": "cus_a8n8ol7yd4h0wohx824f0bui",
  "address": "adr_a7gurqkul8lzzsy1pf9p9388",
  "meter": "mtr_azk4zue2ijx4ff1dbjt14m5h",
  "payment_method": "pm_adc9utqqpcp7tx054l7vg56s2",
  "supplier": "mp_a0x6jm5h92wde6s5dnuvha4c",
  "number": "4X44EMKX",
  "status": "active",
  "estimated_usage": 123,
  "created_at": "2024-03-14T12:00:00Z",
  "updated_at": "2024-03-14T12:00:00Z",
  "start_at": "2024-03-14T12:00:00Z",
  "terminated_at": "2024-03-14T12:00:00Z",
  "end_at": "2024-03-14T12:00:00Z",
  "metadata": {
    "utm_source": "google",
    "utm_campaign": "campaign_name",
    "user_id": "1234567890"
  }
}