{
"version": "0",
"id": "12345678-1234-1234-1234-123456789012",
"detail-type": "EC2 Instance-launch Lifecycle Action",
"source": "aws.autoscaling",
"account": "123456789012",
"time": "1970-01-01T00:00:00Z",
"region": "us-west-2",
"resources": [
"auto-scaling-group-arn"
],
"detail": {
"LifecycleActionToken": "87654321-4321-4321-4321-210987654321",
"AutoScalingGroupName": "my-asg",
"LifecycleHookName": "my-lifecycle-hook",
"EC2InstanceId": "i-1234567890abcdef0",
"LifecycleTransition": "autoscaling:EC2_INSTANCE_LAUNCHING",
"NotificationMetadata": "additional-info"
}
}