curl --request POST \
  --url https://saas.pads365.com/rdx/NDS.Services.Messaging/api/v1/messaging/subscribe \
  --header 'Content-Type: application/json' \
  --data '{
  "MessageType": "<string>",
  "CallbackUrl": "<string>",
  "RoutingData": {
    "Domain": "<string>",
    "Route": "<string>"
  }
}'

{
  "Succeeded": true,
  "Message": "<string>",
  "Code": "<string>",
  "SubscriptionId": "<string>"
}