Current partition replica assignment
{"version":1,"partitions":[{"topic":"<REDUCTED>","partition":9,"replicas":[1,2,3]},{"topic":"<REDUCTED>","partition":10,"replicas":[2,1,3]},{"topic":"<REDUCTED>","partition":3,"replicas":[1,2,3]},{"topic":"<REDUCTED>","partition":0,"replicas":[1,2,3]},{"topic":"<REDUCTED>","partition":5,"replicas":[3,1,2]},{"topic":"<REDUCTED>","partition":2,"replicas":[3,1,2]},{"topic":"<REDUCTED>","partition":4,"replicas":[2,1,3]},{"topic":"<REDUCTED>","partition":8,"replicas":[3,1,2]},{"topic":"<REDUCTED>","partition":1,"replicas":[2,1,3]},{"topic":"<REDUCTED>","partition":11,"replicas":[3,1,2]},{"topic":"<REDUCTED>","partition":7,"replicas":[2,1,3]},{"topic":"<REDUCTED>","partition":6,"replicas":[1,2,3]}]}

Proposed partition reassignment configuration
{"version":1,"partitions":[{"topic":"<REDUCTED>","partition":9,"replicas":[3,4,1]},{"topic":"<REDUCTED>","partition":10,"replicas":[1,3,2]},{"topic":"<REDUCTED>","partition":3,"replicas":[2,1,4]},{"topic":"<REDUCTED>","partition":0,"replicas":[4,2,3]},{"topic":"<REDUCTED>","partition":5,"replicas":[3,1,2]},{"topic":"<REDUCTED>","partition":2,"replicas":[1,3,2]},{"topic":"<REDUCTED>","partition":4,"replicas":[4,3,1]},{"topic":"<REDUCTED>","partition":8,"replicas":[4,2,3]},{"topic":"<REDUCTED>","partition":1,"replicas":[3,4,1]},{"topic":"<REDUCTED>","partition":11,"replicas":[2,1,4]},{"topic":"<REDUCTED>","partition":7,"replicas":[2,4,3]},{"topic":"<REDUCTED>","partition":6,"replicas":[1,2,4]}]}