npm install tencentcloud-sdk-nodejs --save

const tencentcloud = require("tencentcloud-sdk-nodejs")

// Import the client models of the corresponding product module.
const OcrClient = tencentcloud.ocr.v20181119.Client

// Instantiate the client object of the requested product
const client = new OcrClient({
  // Tencent Cloud authentication information
  credential: {
    secretId: "secretId",
    secretKey: "secretKey",
  },
  // Product region
  region: "ap-shanghai",
  // Optional configuration instance
  profile: {
    signMethod: "TC3-HMAC-SHA256", // Signature method
    httpProfile: {
      reqMethod: "POST", // Request method
      reqTimeout: 30, // Specify the request timeout value in seconds. The default value is 60s
    },
  },
})

const params = {
    "ImageUrl": "https://ocr-demo-1254418846.cos.ap-guangzhou.myqcloud.com/card/IDCardOCR/IDCardOCR1.jpg"
};

// Call the API (Action) you want to access through the client object; you need to pass in the request object (Params) and the response callback function
// That is: client.Action(Params).then(res => console.log(res), err => console.error(err))
client.IDCardOCR(params).then(
    (data) => {
        console.log(data)
    },
    (err) => {
    console.error("error", err)
  }
)

[TencentCloudSDKException]message:AuthFailure.SignatureFailure-The provided credentials
  could not be validated because of exceeding request size limit, please use new signature 
  method TC3-HMAC-SHA256. requestId:719970d4-5814-4dd9-9757-a3f11ecc9b20

  signMethod: "TC3-HMAC-SHA256", // Specify the signature algorithm "TC3-HMAC-SHA256". The default value is HmacSHA256