json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "title": "Sharethrough Adapter Params",
      "description": "A schema which validates params accepted by the Sharethrough adapter",
      "type": "object",
      "properties": {
          "pkey": {
              "type": "string",
              "description": "placement key to use."
          },
          "iframe": {
              "type": "boolean",
              "description": "whether or not to stay in iframe",
              "default": false
          },
          "iframeSize": {
              "type": "array",
              "minItems": 2,
              "maxItems": 2,
              "items": {
                  "type": "integer"
              },
              "description": "iframe dimensions",
              "default": [
                  0,
                  0
              ]
          },
          "bidfloor": {
              "type": "number",
              "description": "The floor price, or minimum amount, a publisher will accept for an impression, given in CPM in USD"
          }
      },
      "required": [
          "pkey"
      ]
  }