User Initated Linking Care Context

General Query
#1

User Initiated Linking is not working

https://dev.abdm.gov.in/cm/v1/care-contexts/discover

Request Body is

{
    "requestId": {{$guid}},
    "timestamp": {{$isoTimestamp}},
    "transactionId": {{$guid}},
    "patient": {
        "id": "mugilan.es@sbx",
        "verifiedIdentifiers": [
            {
                "type": "MOBILE",
                "value": "<mobile_number>"
            }
        ],
        "name": "Mugilan E S",
        "gender": "M",
        "yearOfBirth": 1999
    }
}

The response i get

<html>

<head>
	<title>Request Rejected</title>
</head>

<body>The requested URL was rejected. Please consult with your
	administrator.<br><br>Your support ID is: 1296456365137064302<br><br><a href='javascript:history.back();'>[Go
		Back]</a></body>

</html>

@IntegrationSupport please help with this.