https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/soter/verifySignature.html

生物认证中“生物认证秘钥签名验证”接口为啥某段时间大量的验签失败，接口也只返回一个 {"is_ok": false}，咋查找原因呢？

verifySignature入参：

{"openid":"oRA-d5JaV8lbmn2AP5CPqGLfR2vA","json_signature":"sxCvZK4D6M55g6BAMhWnuqRQ+hptgsJr89ymjx+uuQ42u7BlDP2ieoYR/hbf6ceKoH4EmKKny+jjcqunjDibaxt5VHvz1gBDd87R/zKd56Jqt/mJ9VI0NePfEREyPmGkNxC0OkPSwaiiQvf69TCYXhbx43MmHGoBdYodrdjTJRCD4M4m3Nawa1gP8m8Ho8IWHRc2kHChEIXFoNh/SY8XLd+dgw8ocwKMibEZ9Oi0YcTYySdaTgyY2G+JZL4qtQtnJG1wcJu/oW0VXQw9LWAzj9jyYaF2gaY+0qvOMj//QhHFv8/VIsd3wWNcGOLjAcAb4uRLF9PZjhOEBFCXDV+e2w==","json_string":"{\"raw\":\"2268266204184576\",\"counter\":94,\"uid\":\"59078fa8fd382addf501c40aaa92a8a9\",\"cpu_id\":\"F5D3F2DF-7ABF-4822-9B01-304DCEDA97D4\"}"}