curl --location --request PUT 'https://api.falken.ltd/api/athletes//training-plans//activities/' \
--header 'Content-Type: application/json' \
--data-raw '{
"scheduledDate": "2019-08-24T14:15:22.123Z",
"dayOfWeek": 0,
"activityType": 0,
"durationMinutes": 0,
"description": "string",
"isCompleted": true,
"completionNotes": "string",
"journalEntryId": "72600ee4-b304-47f3-89cd-f685d2692490"
}'{
"type": "string",
"title": "string",
"status": 0,
"detail": "string",
"instance": "string",
"property1": "string",
"property2": "string"
}