Worked on the thingsboard/thingsboard-gateway repository to enhance observability in the REST data path by implementing a targeted logging feature. Focused on backend development and data conversion using Python, the contribution introduced a lightweight debug log statement that exposes transformed data during REST conversion. This approach enabled faster debugging and improved traceability of data transformations without impacting performance or increasing system risk. The work maintained a minimal code footprint, delivered as a single commit, and addressed the need for greater transparency in REST data pipelines. The solution supports more efficient issue diagnosis and aligns with best practices in logging and backend engineering.