#! /usr/bin/env ruby
str = 'I, [2014-09-04T05:17:29.385333 #19220] INFO -- : Parameters: {"users"=>{"profile_url"=>"https://example.com/users/123", "status"=>"1"}}'
matches = /[DIWE], \[([0-9\-T:\.]+).* Parameters: ({.*)/.match(str)
matches.to_a.each_with_index do |m, index|
puts "#{index}: #{m}"
end