username:passwordAuthorization: Basic *****************curl --location --request POST 'https://api.socialidnow.com/v1/marketing/login/users//mac_addresses' \
--header 'Authorization: Basic <encoded-value>' \
--header 'Content-Type: application/json' \
--data-raw '{
"mac_address": "string",
"description": "string"
}'{
"mac_address": "string",
"description": "string",
"created_at": "2019-08-24T14:15:22.123Z",
"user_id": 0
}