username:passwordAuthorization: Basic *****************curl --location --request POST 'https://api.socialidnow.com/v1/marketing/login/apps//sign_ins' \
--header 'Authorization: Basic <encoded-value>' \
--header 'Content-Type: application/json' \
--data-raw '{
"sign_in": {
"user_id": 340
}
}'{
"connection": "https://api.socialidnow.com/v1/marketing/login/connections/a4b4cee9c05774d8b6e2427818f8e7866363eff0ea6c69edec8ac32dd0b71452",
"connection_id": "a4b4cee9c05774d8b6e2427818f8e7866363eff0ea6c69edec8ac32dd0b71452",
"login_token": "184cbcf30260b81d061e1f3903bf372089b48c7f5c1fd90649e14b6f17ed6a56",
"user_id": 340
}