/Billing/subscription

{
  "success": true,
  "subscription": {
    "lago_subscription_id": "string",
    "external_id": "string",
    "plan_code": "string",
    "plan_name": "string",
    "status": "string",
    "started_at": "2019-08-24T14:15:22Z",
    "ended_at": "2019-08-24T14:15:22Z",
    "portal_url": "string",
    "current_usage": {
      "metrics": [
        {
          "metric_code": "string",
          "metric_name": "string",
          "units": 0.1,
          "amount_cents": 0.1,
          "grouped_usage": [
            {
              "amount_cents": 0.1,
              "events_count": 0,
              "units": 0.1,
              "filter_values": [
                {
                  "key": "string",
                  "value": "string"
                }
              ]
            }
          ]
        }
      ],
      "total_amount_cents": 0.1,
      "currency": "string",
      "from_date": "2019-08-24T14:15:22Z",
      "to_date": "2019-08-24T14:15:22Z"
    },
    "wallet": {
      "lago_wallet_id": "string",
      "balance_cents": 0.1,
      "balance_dollars": 0.1,
      "ongoing_balance_cents": 0.1,
      "ongoing_balance_dollars": 0.1
    },
    "has_invoices_requiring_attention": true,
    "pending_plan_code": "string"
  },
  "error_message": "string",
  "user_created": true
}