When I have try to send notification to Bot Framework its showing an error like "Specified activity with type 'taskCreated' could not be found in the app manifest" then how to resolved it?

Question

URL = POST: https://graph.microsoft.com/v1.0/teams/{{TeamId}}/sendActivityNotification

Body:

{
"topic": {
"source": "entityUrl",
"value": "https://graph.microsoft.com/v1.0/teams/67590875d-b7ef9619133dsdfgs"
},
"activityType":"message",
"previewText": {
"content": "New Task Created"
},
"recipient": {
"@odata.type": "microsoft.graph.aadUserNotificationRecipient",
"userId": "4354654e3e02c746575716"
},
"templateParameters": [
{
"name": "taskId",
"value": "12322456"
}
]
}

Output:

{
"error": {
"code": "BadRequest",
"message": "Specified activity with type 'message' could not be found in the app manifest.",
"innerError": {
"date": "2021-09-08T10:15:35",
"request-id": "15970f668121",
"client-request-id": "1045970f668121"
}
}
}