Create a new task

Example request

{
  "recurrenceRule": {
    "htmlUrl": "https://app.nutshell.com/lead/1006",
    "htmlUrlPath": "/lead/1006",
    "rule": "FREQ=WEEKLY;BYDAY=MO",
    "mode": "dueDate",
    "id": "3-contacts"
  },
  "links": {
    "relatedEntity": "3-contacts",
    "assignee": "1-users"
  }
}