Creating campaign content that resonates with an influencer’s audience and addresses a specific niche market involves strategic planning. Here are some guidelines:

1. Understand the Audience: Before creating content, understand the influencer’s audience. Explore their interests, age, location, and other such demographics. Platforms like Flinque offer in-depth audience analytics to aid this understanding.

2. Align with the Influencer’s Style: The content should align with the influencer’s style to seem authentic rather than promotional. Sang authenticity promotes higher engagement rates.

3. Leverage Niche-related Elements: Ensure the content is tailored to the niche market’s characteristics. For instance, use industry-specific hashtags in an Instagram campaign for better visibility in your niche.

4. Use Realistic and Relatable Narratives: Real-world scenarios and relatable narratives are appealing. Viewer-related issues, solved with your product or service, can result in increased interest and conversions.

5. Involve the Influencer in Planning: As the influencer understands their audience best, include them in the planning process. This helps in creating authentic and relevant content.

6. Experiment and Test: Try different content formats, messaging, and posting times. Use the data from such experiments to optimize future campaigns.

7. Use Data-Driven Insights: Platforms like Flinque provide detailed performance tracking and ROI measurement, allowing you to take data-driven decisions. Incorporate this data into your campaign planning process for better results.

The effectiveness of these methods largely depends on the specific campaign goals, target audience, and the nature of the influencer-brand collaboration. Comparing the workflows and tools offered by various influencer marketing platforms can help you make a more informed decision. Remember, the suitability of these platforms largely depends on your specific campaign needs.