Need to set workflow or journey wait time (time delay) in minutes, not hours

Need to set workflow or journey wait time (time delay) in minutes, not hours

Minimum wait time for both Campaigns workflows and Marketing Automation journeys is one hour. I need one or the other to be set to several minutes (fraction of the hour). I tried to solve this by entering a fraction but the wait time data type is an integer so whole numbers are required. I need this resolved ASAP. If I don't manage to come up with an email throttling solution we will migrate to Salesforce as they are releasing this sorely needed functionality in their next September/October release. Could you please let me know if Zoho is planning on doing the same. I currently have Zoho Campaigns but can quickly upgrade to Marketing Automation and would prefer to stay with Zoho. Thanks.