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

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