curl --request PATCH \
  --url http://localhost:3000/api/canary/customers/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "metadata": {
    "customField": "value",
    "orderId": "12345"
  }
}
'

{
  "statusCode": 400,
  "message": [
    "Invalid input data"
  ],
  "error": "Bad Request"
}