{
  "properties": {
    "_links": {
      "description": "Hyperlink related to the resource. This shall be only included in the HTTP responses and in HTTP PUT requests.",
      "properties": {
        "self": {
          "description": "'This data type represents a type of link'",
          "type": "object",
          "required": [
            "href"
          ],
          "properties": {
            "href": {
              "description": "The URI referring to the subscription.",
              "type": "string",
              "format": "uri"
            }
          }
        }
      },
      "required": [
        "self"
      ],
      "type": "object",
      "x-etsi-mec-cardinality": "0..1"
    },
    "callbackReference": {
      "description": "URI selected by the service consumer to receive notifications on the subscribed V2X message. This shall be included both in the request and in response.",
      "format": "uri",
      "type": "string",
      "x-etsi-mec-cardinality": "1",
      "x-etsi-mec-origin-type": "URI"
    },
    "expiryDeadline": {
      "properties": {
        "nanoSeconds": {
          "description": "The nanoseconds part of the time. Time is defined as Unix-time since January 1, 1970, 00:00:00 UTC.",
          "format": "Uint32",
          "type": "integer",
          "x-etsi-mec-cardinality": "1",
          "x-etsi-mec-origin-type": "Uint32"
        },
        "seconds": {
          "description": "The seconds part of the time. Time is defined as Unixtime since January 1, 1970, 00:00:00 UTC.",
          "format": "Uint32",
          "type": "integer",
          "x-etsi-mec-cardinality": "1",
          "x-etsi-mec-origin-type": "Uint32"
        }
      },
      "required": [
        "seconds",
        "nanoSeconds"
      ],
      "type": "object",
      "x-etsi-ref": "6.5.2"
    },
    "filterCriteria": {
      "description": "List of filtering criteria for the subscription. Any filtering criteria from below, which is included in the request, shall also be included in the response.",
      "properties": {
        "msgType": {
          "description": "Subscribed V2X message type. Its value is defined by the standardization organization indicated by the attribute stdOrganization. See note 2.",
          "items": {
            "type": "string"
          },
          "minItems": 0,
          "type": "array",
          "x-etsi-mec-cardinality": "0..N",
          "x-etsi-mec-origin-type": "Enum"
        },
        "stdOrganization": {
          "description": "Standardization organization which defines the subscribed V2X message type: \nETSI: European Telecommunications Standards Institute. \nSee note 1.",
          "enum": [
            "ETSI"
          ],
          "type": "string",
          "x-etsi-mec-cardinality": "1",
          "x-etsi-mec-origin-type": "Enum"
        }
      },
      "required": [
        "stdOrganization"
      ],
      "type": "object",
      "x-etsi-mec-cardinality": "1"
    },
    "subscriptionType": {
      "description": "Shall be set to \"V2xMsgSubscription\".",
      "type": "string",
      "x-etsi-mec-cardinality": "1",
      "x-etsi-mec-origin-type": "String"
    }
  },
  "required": [
    "subscriptionType",
    "callbackReference",
    "filterCriteria"
  ],
  "type": "object",
  "x-etsi-notes": "NOTE 1:\tOther standardization organizations could be added as needed.\nNOTE 2:\tThe V2X message types of ETSI shall be used as specified in ETSI TS 102 894-2 [6], clause A.114.",
  "x-etsi-ref": "6.3.5"
}