json validator anyof

data.json

{
  "id":1,
  "href":"http://www.example.com/api/events/1",
  "name":"Pray First",
  "starts_at":"2016-01-27T14:56:35.473Z",
  "ends_at":"2016-01-28T14:56:35.473Z",
  "location":{
    "id":1,
    "href":"http://www.example.com/api/campuses/%23%3CBuildingRecord:0x007fbdbdd6a830%3E",
    "name":"South Building"
  },
  "event_type":"service",
  "description":"The Best Thing EVAR",
  "childcare":true,
  "volunteers":true,
  "church_wide":true,
  "featured":true,
  "audiences":[

  ],
  "registered":true,
  "registerable":true,
  "registration":{
    "id":1,
    "href":"http://www.example.com/api/events/1/registrations/1",
    "role":"attendee",
    "checked_in":false
  }
}

schema.json

{
  "title":"Record - Base",
  "type":"object",
  "required":[
    "id",
    "href",
    "name",
    "starts_at",
    "ends_at",
    "location",
    "event_type",
    "description",
    "childcare",
    "volunteers",
    "church_wide",
    "featured",
    "audiences",
    "registered",
    "registerable",
    "registration"
  ],
  "properties":{
    "id":{
      "type":"integer"
    },
    "href":{
      "title":"HREF",
      "type":"string",
      "pattern":"(https?:\\/\\/(?:www\\.|(?!www))[^\\s\\.]+\\.[^\\s]{2,}|www\\.[^\\s]+\\.[^\\s]{2,})"
    },
    "name":{
      "type":"string"
    },
    "starts_at":{
      "type":"string"
    },
    "ends_at":{
      "type":"string"
    },
    "location":{
      "title":"Record - Base",
      "type":"object",
      "required":[
        "id",
        "href",
        "name"
      ],
      "properties":{
        "id":{
          "type":"integer"
        },
        "href":{
          "title":"HREF",
          "type":"string",
          "pattern":"(https?:\\/\\/(?:www\\.|(?!www))[^\\s\\.]+\\.[^\\s]{2,}|www\\.[^\\s]+\\.[^\\s]{2,})"
        },
        "name":{
          "type":"string"
        }
      },
      "additionalProperties":false
    },
    "event_type":{
      "type":"string",
      "pattern":"generic|tier_1|tier_2|tier_3|service"
    },
    "description":{
      "type":"string"
    },
    "childcare":{
      "type":"boolean"
    },
    "volunteers":{
      "type":"boolean"
    },
    "church_wide":{
      "type":"boolean"
    },
    "featured":{
      "type":"boolean"
    },
    "audiences":{
      "type":"array",
      "items":{
        "title":"Record - Base",
        "type":"object",
        "required":[
          "id",
          "href",
          "name"
        ],
        "properties":{
          "id":{
            "type":"integer"
          },
          "href":{
            "title":"HREF",
            "type":"string",
            "pattern":"(https?:\\/\\/(?:www\\.|(?!www))[^\\s\\.]+\\.[^\\s]{2,}|www\\.[^\\s]+\\.[^\\s]{2,})"
          },
          "name":{
            "type":"string"
          }
        },
        "additionalProperties":false
      }
    },
    "registered":{
      "type":"boolean"
    },
    "registerable":{
      "type":"boolean"
    },
    "registration":{
      "oneOf":[
        {
          "type":"null"
        },
        {
          "title":"Record - Base",
          "type":"object",
          "required":[
            "id",
            "href",
            "role",
            "check_in"
          ],
          "properties":{
            "id":{
              "type":"integer"
            },
            "href":{
              "title":"HREF",
              "type":"string",
              "pattern":"(https?:\\/\\/(?:www\\.|(?!www))[^\\s\\.]+\\.[^\\s]{2,}|www\\.[^\\s]+\\.[^\\s]{2,})"
            },
            "role":{
              "type":"string",
              "pattern":"attendee|volunteer|staff"
            },
            "checked_in":{
              "type":"boolean"
            }
          },
          "additionalProperties":false
        }
      ]
    }
  },
  "additionalProperties":false
}