Athena: Extracting data from JSON

Suppose you have a table in Athena and its column contain JSON data. How can you extract the individual keys? In the example, the table has column "fixedproperties" which contain JSON data - How can you display the data is below format? select json_extract(fixedproperties, '$.objectId') as object_id, json_extract(fixedproperties, '$.custId') as cust_id, json_extract(fixedproperties, '$.score') as score …