How to read json hierarchical with NO fix attributes

[hpbr21]

My Json is as below:

{"Parties":[{"PartyRoleCode":"Customer","PartyBECountry":"GB","PartyBECode":"PRIMARK","PartyBEFunction":"HQ"},{"PartyRoleCode":"Seller","PartyAlias":"TESTING"},{"PartyRoleCode":"Factory","PartyAlias":"TESTING"},{"PartyRoleCode":"Consignee","PartyAlias":"TESTING"},{"PartyRoleCode":"Shipper","PartyAlias":"CN AS VDR"},{"PartyRoleCode":"Buyer","PartyAlias":"TESTING"},{"PartyRoleCode":"NotifyParty","PartyAlias":"TESTING"},{"PartyRoleCode":"Consolidator","PartyAlias":"TESTING"},{"PartyRoleCode":"ShipTo","PartyAlias":"TESTING"},{"PartyRoleCode":"ContainerStuffingLocation","PartyAlias":"TESTING"}]}

for Parties key, I want to iterate and write these data in data frame, How should I do it.Finally I want to write this dataframe in parquet file.

I will be using this python(version 3) code in databricks

If yo observe the attributes are not same for all rows