Enterprise MM4 MO

Following is MM4 MO Callback example:

curl -X POST "https://aggregator_base_url.com/callbackurl/1.0/" \
-H "Authorization: Basic dXNlcm5hbWU6cGFzc3dvcmQ=" \
-H "Content-Type: application/json" \
-d '{
"root-fields": {
"inboundMessageRequest": {
"messageId": "1234567890",
"senderAddress": "tel:+12339588046",
"destinationAddress": "tel:+10987654321",
"address": [
"tel:+10987654321",
"tel:+19876543210"
],
"dateTime": "2025-11-18T20:48:59Z",
"inboundMMSMessage": {
"subject": "Example subject",
"priority": "Normal"
}
}
},
"attachments": "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"
}'