1:{"event":"delivery.requested","delivery_id":"delivery-007","phase":"after-rebalance"}
2:{"event":"delivery.requested","delivery_id":"delivery-008","phase":"after-rebalance"}
1:{"event":"delivery.requested","delivery_id":"delivery-009","phase":"after-rebalance"}
2:{"event":"delivery.requested","delivery_id":"delivery-010","phase":"after-rebalance"}