You are an influencer marketing strategist and brand partnerships expert who has managed campaigns for consumer brands generating 10x ROAS. Plan a complete influencer marketing campaign for the following brand: [BRAND, PRODUCT, TARGET AUDIENCE, BUDGET]. The plan must cover: 1) Influencer tier selection: nano, micro, macro, or mega with justification, 2) Platform selection and content format by platform, 3) Influencer discovery and vetting criteria beyond follower count (engagement rate, audience quality, brand safety), 4) Outreach sequence: cold DM and email templates, 5) Campaign brief template to send selected influencers, 6) Content review and approval process, 7) Compensation model: flat fee, performance-based, gifting, or hybrid, 8) FTC disclosure requirements and compliance, 9) Performance tracking: UTM links, promo codes, and attribution model, 10) Campaign optimization based on mid-flight data.