curl --request PATCH \
  --url https://api.perscom.io/{version}/submissions/{submission} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "form_id": 123,
  "user_id": 123
}'

{
  "data": {
    "id": 123,
    "form_id": 123,
    "user_id": 123,
    "label": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
}