curl --location -g --request GET 'https://api.iotwireless.{region}.amazonaws.com/billing-groups/'
{
"billingGroupName": "string",
"billingGroupId": "string",
"billingGroupArn": "string",
"version": 0,
"billingGroupProperties": {
"billingGroupDescription": "string"
},
"billingGroupMetadata": {
"creationDate": "string"
}
}