Attach an ambassador point of sale (manager)
        POST
    /manager/ambassadors/{id}/point-of-sale/{pointOfSale}
  
  curl \
 --request POST 'https://domain.tld/api/v2/manager/ambassadors/{id}/point-of-sale/{pointOfSale}' \
 --header "Authorization: Bearer $ACCESS_TOKEN"
        Response examples (200)
  
  {
  "message": "Point of sale attached successfully"
}
        Response examples (401)
  
  {
  "message": "Unauthorized."
}
        Response examples (422)
  
  {
  "message": "field is required! (and 3 more error)",
  "errors": {
    "field": [
      "Error message details here"
    ],
    "additionalProperty1": [
      "Error message details here"
    ],
    "additionalProperty2": [
      "Error message details here"
    ]
  }
}