Reads a Google spreadsheet as CSV.
{
"sampleKey": {
"spreadsheetId": "yourText",
"serviceAccountName": "yourText",
"mainSheetName": "yourText",
"tabName": "yourText",
"jsonCredentialFile": "folder1/folder2/yourFile.txt",
"retryTimes": "10",
"retryDelay": "10"
}
}