username:passwordAuthorization: Basic *****************curl --location '/dfs/event/user/participation' \
--header 'Accept: application/json' \
--header 'Authorization: Basic <encoded-value>' \
--header 'Content-Type: application/json' \
--data '{
"dfsEventId": "aa284ff4-44d5-5d2e-b20c-274595ab8986",
"dfsUserId": "dd284ff4-44d5-5d2e-b20c-274595ab8986"
}'{
"valid": true,
"dfsEventUserId": "aa284ff4-44d5-5d2e-b20c-274595ab8986"
}