Extra filters as a JSON list of [field, operator, value], all combined with AND. Example: [["searchVolume", ">", 1000], ["keyword", "not_ilike", "%free%"]]. Fields: keyword, searchVolume, cpc, competition, keywordDifficulty, searchIntent, position, absolutePosition, traffic, trafficValue, url, resultType, competitorPosition, competitorTraffic, competitorUrl, domain, avgPosition, sharedKeywords, keywordsCount, paidKeywordsCount, paidTraffic, newKeywords, lostKeywords, medianPosition, visibility, visibilityRating (depending on the report). Operators: <, <=, >, >=, =, <>, in, not_in, like, not_like, ilike, not_ilike, regex, not_regex, match, not_match.