json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "title": "Pulsepoint Adapter Params",
      "description": "A schema which validates params accepted by the Pulsepoint adapter",
      "type": "object",
      "properties": {
          "cp": {
              "type": "integer",
              "description": "An ID which identifies the publisher selling the impression"
          },
          "ct": {
              "type": "integer",
              "description": "An ID which identifies the ad slot being sold"
          },
          "cf": {
              "type": "string",
              "pattern": "^[0-9]+[xX][0-9]+$",
              "description": "The size of the ad slot being sold. This should be a string like 300X250"
          }
      },
      "required": [
          "cp",
          "ct",
          "cf"
      ]
  }