Store passed to MC:
"id": "104.131.96.113_...",
"list_id": "....",
"name": "104.131.96.113_....",
"platform": "Magento",
"domain": "",
"is_syncing": false,
"email_address": "",
"currency_code": "USD",
"money_format": "",
"primary_locale": "",
"timezone": "",
"phone": "",
"address": {
"address1": "",
"address2": "",
"city": "",
"province": "",
"province_code": "",
"postal_code": "",
"country": "",
"country_code": "",
"longitude": 0,
"latitude": 0}
Store info in M2:
https://cl.ly/1V0W1e1d1q0e
Passing store info(address, email, etc) allows MC to populate list and footer with store info. note: this appears to also be missing for M1.