json_schema: {
      "type": "object",
      "$schema": "http://json-schema.org/draft-04/schema",
      "properties": {
          "operators": {
              "type": "array",
              "items": {
                  "type": "object",
                  "properties": {
                      "id": {
                          "type": "number"
                      },
                      "name": {
                          "type": "string"
                      }
                  },
                  "required": [
                      "id",
                      "name"
                  ]
              }
          },
          "logs": {
              "type": "array",
              "items": {
                  "type": "object",
                  "properties": {
                      "description": {
                          "type": "string"
                      },
                      "key": {
                          "type": "string"
                      },
                      "maximum_merge_delay": {
                          "type": "number",
                          "minimum": 0
                      },
                      "operated_by": {
                          "type": "array",
                          "description": "List of log operators",
                          "items": {
                              "type": "number",
                              "description": "Operator numeric id"
                          }
                      },
                      "url": {
                          "type": "string"
                      }
                  },
                  "required": [
                      "description",
                      "key",
                      "maximum_merge_delay",
                      "operated_by",
                      "url"
                  ]
              },
              "minItems": 1
          }
      },
      "required": [
          "logs",
          "operators"
      ]
  }