Here is a bunch of blogs that would help to manage vRealize Network Insight with vRealize Suite Lifecycle Manager
1. Ninja Guide to Manage vRealize Network Insight using vRSLCM - VMware Cloud Management
2. Ninja Guide to Manage vRNI using VRSLCM Part 2: Creating new vRNI setup from existing vRNI setup - VMware Cloud Manageme…
3. vRSLCM for vRNI Bulk Import of Data Sources - VMware Cloud Management