curl --request POST \
  --url https://apigw.bienport.com/api/devicetoken/addorupdate \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --header 'OrganizationId: <organizationid>' \
  --data '
{
  "userId": 20199,
  "requestToken": "/*token*/",
  "appId": "/*device id*/"
}
'

{
  "message": "<string>",
  "success": true
}