curl --request PATCH \
  --url https://v1.api.flux-os.com/contracts/{id}/schedules/{schedule_id}/change-source/{source_land_description} \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --header 'x-user-id: <api-key>' \
  --data '
{
  "source_land_description": "<string>"
}
'

{
  "production_month": "2023-12-25",
  "volume": 123,
  "id": "<string>",
  "contract": {
    "external_id": "<string>",
    "id": "<string>"
  },
  "status": {
    "name": "<string>",
    "short_code": "<string>",
    "id": "<string>"
  },
  "volume_measurement_unit": {
    "name": "<string>",
    "abbreviation": "<string>",
    "id": "<string>",
    "html_symbol": null
  },
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "estimated_qualities": [
    {
      "value": 123,
      "id": "<string>",
      "measurement_property": {
        "name": "<string>",
        "short_code": "<string>",
        "id": "<string>"
      },
      "measurement_unit": {
        "name": "<string>",
        "abbreviation": "<string>",
        "id": "<string>",
        "html_symbol": null
      },
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ],
  "chains": [
    {
      "id": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "legs": [
        {
          "position": 123,
          "chain": "<unknown>",
          "volume": 123,
          "id": "<string>",
          "mode": {
            "name": "<string>",
            "short_code": "<string>",
            "id": "<string>"
          },
          "source_well": {
            "id": "<string>",
            "name": null
          },
          "source_commercial_facility": {
            "name": "<string>",
            "id": "<string>",
            "lsd": null,
            "section": null,
            "township": null,
            "range": null,
            "meridian": null
          },
          "source_facility": {
            "name": "<string>",
            "id": "<string>"
          },
          "source_land_description": {
            "description": "<string>",
            "latitude": 123,
            "longitude": 123,
            "id": "<string>",
            "survey_system": {
              "name": "<string>",
              "short_code": "<string>",
              "id": "<string>"
            },
            "unit": {
              "name": "<string>",
              "short_code": "<string>",
              "id": "<string>"
            }
          },
          "destination_commercial_facility": {
            "name": "<string>",
            "id": "<string>",
            "lsd": null,
            "section": null,
            "township": null,
            "range": null,
            "meridian": null
          },
          "destination_facility": {
            "name": "<string>",
            "id": "<string>"
          },
          "volume_measurement_unit": {
            "name": "<string>",
            "abbreviation": "<string>",
            "id": "<string>",
            "html_symbol": null
          },
          "custodian_organization": {
            "name": "<string>",
            "id": "<string>",
            "image_url": null
          },
          "custodian_entity": {
            "legal_name": "<string>",
            "id": "<string>"
          },
          "is_custody_transfer": false,
          "is_chain_source": false,
          "is_chain_destination": false,
          "fob": false,
          "carrier_organization": {
            "name": "<string>",
            "id": "<string>",
            "image_url": null
          },
          "carrier_entity": {
            "legal_name": "<string>",
            "id": "<string>"
          },
          "carrier_user": {
            "first_name": "<string>",
            "last_name": "<string>",
            "id": "<string>"
          },
          "created_at": "2023-11-07T05:31:56Z",
          "updated_at": "2023-11-07T05:31:56Z"
        }
      ]
    }
  ]
}