{
  "relationships": [
    {
      "type": "RENT",
      "properties": [
        {
          "type": "since",
          "value": 2019
        }
      ],
      "source": {
        "external_id": "customerA",
        "type": "Customer"
      },
      "target": {
        "external_id": "car1",
        "type": "Car"
      }
    },
    {
      "type": "RENT",
      "properties": [
        {
          "type": "since",
          "value": 2018
        }
      ],
      "source": {
        "external_id": "customerA",
        "type": "Customer"
      },
      "target": {
        "external_id": "car2",
        "type": "Car"
      }
    },
    {
      "type": "RENT",
      "properties": [
        {
          "type": "since",
          "value": 2018
        }
      ],
      "source": {
        "external_id": "customerB",
        "type": "Customer"
      },
      "target": {
        "external_id": "car2",
        "type": "Car"
      }
    },
    {
      "type": "RENT",
      "properties": [
        {
          "type": "since",
          "value": 2020
        }
      ],
      "source": {
        "external_id": "customerB",
        "type": "Customer"
      },
      "target": {
        "external_id": "mc1",
        "type": "Motorcycle"
      }
    },
    {
      "type": "LEASE",
      "properties": [
        {
          "type": "since",
          "value": 2021
        }
      ],
      "source": {
        "external_id": "customerD",
        "type": "Customer"
      },
      "target": {
        "external_id": "car1",
        "type": "Car"
      }
    }
  ]
}