json params passing in through advanced rest client of postman

gistfile1.txt

class Api::V1::FightController < Api::BaseController

...
	private

	def permitted_params
		params.permit(
			{date: [
				:timezone,
				:start,
				:end
			]},
			
			action:[
			  :type,
			  :result
			 ]}
		)
		
	end
end