Understand the schema of each section in network data to know which value should be extracted.
If use_current_page is True, the schema will focus on information of the current page for the user.
Otherwise, the entire schema from network data will be reviewed at once.
Note: This tool is only for retrieving the schema, there is no data inside.
How to Use
Use with LangChain: `hub.pull("buckylee/understand_network_data")`