This key is later uploaded on to Hexnode MDM server.

Click on Add Key > Create new key and choose the key type as JSON and click on Create. Select the checkbox Enable G Suite Domain-wide Delegation. Select your service account and click on Actions > Manage Details.

Choose Service Accounts > Service Account Admin, and click Continue. Optional: Grant the service account access to the project created above.Service account description: Provide a suitable description for your service account.Service account ID: An account ID will be automatically generated.Service account name: Provide a suitable name for the service account.Select New service account and provide the following details.Click on Create Credentials and from the drop-down list that appears select Service account.From the Navigation Menu on the left pane, select APIs and Services > Credentials.Project Name: Provide a suitable project name and a corresponding project ID will be generated.Create a New Project by providing the following details.Using the G Suite admin credential, log in to Google Developers Console.