json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "title": "UMM-Sub",
      "type": "object",
      "additionalProperties": false,
      "properties": {
          "Name": {
              "description": "The name of a subscription.",
              "type": "string",
              "minLength": 1,
              "maxLength": 80
          },
          "SubscriberId": {
              "description": "The userid of the subscriber.",
              "type": "string",
              "minLength": 1,
              "maxLength": 30
          },
          "EmailAddress": {
              "description": "The email address of the subscriber.",
              "type": "string",
              "minLength": 1,
              "maxLength": 255
          },
          "CollectionConceptId": {
              "description": "The collection concept id of the granules subscribed.",
              "type": "string",
              "minLength": 1,
              "maxLength": 255
          },
          "Query": {
              "description": "The search query for the granules that matches the subscription.",
              "type": "string",
              "minLength": 1,
              "maxLength": 40000
          }
      },
      "required": [
          "Name",
          "SubscriberId",
          "EmailAddress",
          "CollectionConceptId",
          "Query"
      ]
  }