def to_hash
            index_hash = Hash.new
            index_hash["json_claz"] = self.class.name
            index_hash["id"] = id
            index_hash["accounts_id"] = accounts_id
            index_hash["assembly_id"] = assembly_id
            index_hash["bill_type"] = bill_type
            index_hash["billing_amount"] = billing_amount
            index_hash["currency_type"] = currency_type
            index_hash["created_at"] = created_at
            index_hash
        end
def to_hash
            index_hash = Hash.new
            index_hash["json_claz"] = self.class.name
            index_hash["id"] = id
            index_hash["accounts_id"] = accounts_id
            index_hash["assembly_id"] = assembly_id
            index_hash["bill_type"] = bill_type
            index_hash["billing_amount"] = billing_amount
            index_hash["currency_type"] = currency_type
            index_hash["created_at"] = created_at
            index_hash
        end
Transform the ruby obj ->  to a Hash