curl --request PUT \
  --url https://{instance}.domo.com/api/content/v1/reportschedules/{scheduleId} \
  --header 'Content-Type: application/json' \
  --header 'X-DOMO-Developer-Token: <api-key>' \
  --data '
{
  "title": "Updated Monthly Sales Report",
  "schedule": {
    "frequency": "MONTHLY",
    "daysToRun": "15",
    "hourOfDay": 10,
    "minOfHour": 30,
    "timezone": "America/New_York",
    "enabled": true
  }
}
'

{
  "id": 123456,
  "title": "Updated Monthly Sales Report",
  "schedule": {
    "frequency": "MONTHLY",
    "daysToRun": "15",
    "hourOfDay": 10,
    "minOfHour": 30,
    "timezone": "America/New_York",
    "enabled": true,
    "nextRunDate": 1701864600000
  }
}