curl --location -g --request GET 'http://es.{region}.amazonaws.com/2015-01-01/es/domain//progress'
{
"ChangeProgressStatus": {
"ChangeId": "string",
"StartTime": "string",
"Status": "PENDING",
"PendingProperties": [],
"CompletedProperties": [],
"TotalNumberOfStages": 0,
"ChangeProgressStages": []
}
}