json_schema: {
      "$schema": "http://json-schema.org/draft-07/schema#",
      "description": "A representation of storage resource usage",
      "properties": {
          "dt": {
              "_format": "date-time",
              "description": "Date and time usage data was recorded",
              "type": "string"
          },
          "file_count": {
              "description": "Number of files",
              "maximum": 18446744073709551615,
              "minimum": 0,
              "type": "integer"
          },
          "hard_threshold": {
              "description": "Hard threshold quota measured in bytes",
              "maximum": 18446744073709551615,
              "minimum": 0,
              "type": "integer"
          },
          "logical_usage": {
              "description": "Logical file system usage measured in bytes",
              "maximum": 18446744073709551615,
              "minimum": 0,
              "type": "integer"
          },
          "mountpoint": {
              "description": "Storage file system mountpoint directory",
              "maxLength": 255,
              "type": "string"
          },
          "physical_usage": {
              "description": "Physical file system usage measured in bytes",
              "maximum": 18446744073709551615,
              "minimum": 0,
              "type": "integer"
          },
          "pi": {
              "description": "Storage principal investigator's system username",
              "maxLength": 30,
              "type": "string"
          },
          "resource": {
              "description": "Storage resource name",
              "maxLength": 200,
              "type": "string"
          },
          "soft_threshold": {
              "description": "Soft threshold quota measured in bytes",
              "maximum": 18446744073709551615,
              "minimum": 0,
              "type": "integer"
          },
          "user": {
              "description": "Storage user's system username",
              "maxLength": 30,
              "type": "string"
          }
      },
      "required": [
          "resource",
          "mountpoint",
          "user",
          "pi",
          "dt",
          "file_count",
          "logical_usage"
      ],
      "title": "Storage usage data",
      "type": "object"
  }