From the following input:
{"key1": {"key_x": "1", ..."key_z": "2" },"key2": {"key_x": "2", ..."key_z": "3" }}I would like to exclude all keys with the name "key_x" so the result should be
{"key1": { ..."key_z": "2" },"key2": { ..."key_z": "3" }}