Yes, it's possible but, Catalyst 9200L-M switches support Adaptive Policy when managed via the Meraki Dashboard and licensed with Advanced licensing however, MS120 switches do not support Adaptive Policy. This means they cannot participate in Security Group Tag propagation or enforcement.
Catalyst 9200L-M Datasheet - Cisco Meraki Documentation
Adaptive Policy Configuration Guide - Cisco Meraki Documentation
I am not a Cisco Meraki employee. My suggestions are based on documentation of Meraki best practices and day-to-day experience.
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