json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "id": "https://github.com/route4me/json-schemas/blob/master/note.dtd",
      "type": "object",
      "title": "Note",
      "properties": {
          "note_id": {
              "type": "integer",
              "title": "Note ID",
              "description": "the id of the note in the system"
          },
          "route_id": {
              "type": "string",
              "title": "Route ID",
              "description": "Route ID"
          },
          "route_destination_id": {
              "type": "integer",
              "title": "Route Destination ID",
              "description": "Route Destination ID"
          },
          "upload_id": {
              "type": "string",
              "title": "Upload ID",
              "description": "The unique and randomly generated ID of the file attachment that is associated with this note"
          },
          "ts_added": {
              "type": "integer",
              "title": "TS Added",
              "description": "The unix timestamp when the note was added"
          },
          "lat": {
              "type": "number",
              "minimum": -90,
              "maximum": 90,
              "title": "Latitude",
              "description": "Latitude"
          },
          "lng": {
              "type": "number",
              "minimum": -180,
              "maximum": 180,
              "title": "Longitude",
              "description": "Longitude"
          },
          "activity_type": {
              "type": "string",
              "title": "Activity Type",
              "description": "Activity Type"
          },
          "contents": {
              "type": "string",
              "title": "Contents",
              "description": "Contents"
          },
          "upload_type": {
              "type": "string",
              "enum": [
                  "DRIVER_IMG",
                  "VEHICLE_IMG",
                  "ADDRESS_IMG",
                  "CSV_FILE",
                  "XLS_FILE",
                  "ANY_FILE"
              ],
              "title": "Upload Type",
              "description": "Upload Type"
          },
          "upload_url": {
              "type": "string",
              "title": "Upload url",
              "description": "The direct CDN URL of the attachment uploaded with a note"
          },
          "upload_extension": {
              "type": "string",
              "title": "Upload Extension",
              "description": "The extension of the attachment ('pdf', 'csv' etc)"
          },
          "device_type": {
              "type": "string",
              "title": "Device Type",
              "description": "Device type ('web', 'phone', 'ipad', 'android phone', 'android tablet' etc)"
          }
      },
      "required": [
          "route_destination_id"
      ]
  }