oc-mirror produces images signature config maps in JSON format, inconsistent with other manifests which are normally in YAML. That breaks some automation, especially Multicloud Operators Subscription controller which expects manifests in YAML only.

Always    

    1. Perform release payload mirroring as documented
    2. Check 'release-signatures' directory 

   

    There is a mix of YAML and JSON files with kubernetes manifests.

    Manifests are stored in one format, either YAML or JSON