Subscription filters. The schema depends on the type field:

JOB_POSTS filters:

titleKeywords (string[]): Natural language title matching
excludeTitleKeywords (string[]): Title exclusions
titlePatterns (string[]): Regex patterns for job titles
excludeTitlePatterns (string[]): Regex exclusion patterns for titles
descriptionKeywords (string[]): Description keyword matching
excludeDescriptionKeywords (string[]): Description exclusions
descriptionPatterns (string[]): Regex patterns for descriptions
excludeDescriptionPatterns (string[]): Regex exclusion patterns for descriptions
countries (string[]): ISO country codes for job location
seniority (string[]): Seniority levels (c_level, staff, senior, mid_level, junior)
technologySlugs (string[]): Required technologies
minSalaryUsd (number): Minimum annual salary in USD
maxSalaryUsd (number): Maximum annual salary in USD
remote (boolean): Filter for remote jobs only
companyDomains (string[]): Specific company domains to monitor
excludeCompanyDomains (string[]): Company domains to exclude
companyNames (string[]): Partial match company names
excludeCompanyNames (string[]): Company names to exclude
minEmployees (number): Minimum company size
maxEmployees (number): Maximum company size
companyCountries (string[]): Company HQ country codes
companyTechnologySlugs (string[]): Company tech stack filter
excludeRecruitingAgencies (boolean): Filter out staffing agencies
fundingStages (string[]): Funding stages (seed, series_a, series_b, etc.)
industryIds (string[]): LinkedIn industry IDs to include
excludeIndustryIds (string[]): LinkedIn industry IDs to exclude
promptFilter (string): AI-based relevance scoring prompt
maxLookbackDays (number): How far back to look in days

LINKEDIN_POST filters:

keywordsAll (string[]): Boolean AND keywords
keywordsAny (string[]): Boolean OR keywords
keywordsNone (string[]): Boolean NOT keywords
promptFilter (string): AI-based content + persona filtering prompt
maxLookbackDays (number): Lookback period in days

FUND_RAISED / RECENT_INVESTMENT / IPO filters (shared):

searchQueries (string[]): Custom search queries
keywords (string[]): Keywords appended to default queries
excludeKeywords (string[]): Excluded keywords
countries (string[]): Geographic filtering (reserved)
minAmountUsd (number): Minimum deal size (reserved)
maxLookbackDays (number): Lookback period in days
promptFilter (string): AI-based relevance scoring prompt (reserved)

Required for LINKEDIN_POST. Optional for JOB_POSTS when prompt is provided.