{
"ClientId": "string",
"ChallengeName": "SMS_MFA",
"Session": "string",
"ChallengeResponses": {
"property1": "string",
"property2": "string"
},
"AnalyticsMetadata": {},
"UserContextData": {
"IpAddress": "string",
"EncodedData": "string"
},
"ClientMetadata": {
"property1": "string",
"property2": "string"
}
}