def to_hash
            index_hash = Hash.new
            index_hash["json_claz"] = self.class.name
            index_hash["id"] = id
            index_hash["account_id"] = account_id
            index_hash["credit"] = credit
            index_hash["biller_credit"] = biller_credit
            index_hash["created_at"] = created_at
            index_hash["updated_at"] = updated_at
            index_hash
        end
def to_hash
            index_hash = Hash.new
            index_hash["json_claz"] = self.class.name
            index_hash["id"] = id
            index_hash["account_id"] = account_id
            index_hash["credit"] = credit
            index_hash["biller_credit"] = biller_credit
            index_hash["created_at"] = created_at
            index_hash["updated_at"] = updated_at
            index_hash
        end
Transform the ruby obj ->  to a Hash