curl --request POST \
  --url https://api.aisa.one/apis/v1/agentmail/inboxes/{inbox_id}/drafts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "labels": [
    "<string>"
  ],
  "reply_to": [
    "<string>"
  ],
  "to": [
    "<string>"
  ],
  "cc": [
    "<string>"
  ],
  "bcc": [
    "<string>"
  ],
  "subject": "<string>",
  "text": "<string>",
  "html": "<string>",
  "attachments": [
    {
      "filename": "<string>",
      "content_type": "<string>",
      "content_id": "<string>",
      "content": "<string>",
      "url": "<string>"
    }
  ],
  "in_reply_to": "<string>",
  "send_at": "2023-11-07T05:31:56Z",
  "client_id": "<string>"
}
'

{
  "inbox_id": "<string>",
  "draft_id": "<string>",
  "labels": [
    "<string>"
  ],
  "updated_at": "2023-11-07T05:31:56Z",
  "created_at": "2023-11-07T05:31:56Z",
  "client_id": "<string>",
  "reply_to": [
    "<string>"
  ],
  "to": [
    "<string>"
  ],
  "cc": [
    "<string>"
  ],
  "bcc": [
    "<string>"
  ],
  "subject": "<string>",
  "preview": "<string>",
  "text": "<string>",
  "html": "<string>",
  "attachments": [
    {
      "attachment_id": "<string>",
      "size": 123,
      "filename": "<string>",
      "content_type": "<string>",
      "content_id": "<string>"
    }
  ],
  "in_reply_to": "<string>",
  "references": [
    "<string>"
  ],
  "send_at": "2023-11-07T05:31:56Z"
}