https://developers.weixin.qq.com/doc/channels/API/league/ecleague_getfundsflowdetail.html获取资金流水详情page_size页码，从1开始流水类型, 1 收入，2 支出

请求报文：{"flow_id":"10000346110220929"}

返回报文：{"errcode":0,"errmsg":"ok","funds_flow":{"flow_id":"10000346110220929","funds_type":2,"flow_type":2,"amount":30,"balance":5964,"related_info_list":[{"related_type":1,"order_id":"3706406970555500544","transaction_id":"4200001605202209294244993365"}]}}

回参缺少字段：bookkeeping_time