1:{"event":"delivery.requested","delivery_id":"delivery-001","phase":"initial"}
2:{"event":"delivery.requested","delivery_id":"delivery-002","phase":"initial"}
1:{"event":"delivery.requested","delivery_id":"delivery-003","phase":"initial"}
2:{"event":"delivery.requested","delivery_id":"delivery-004","phase":"initial"}
1:{"event":"delivery.requested","delivery_id":"delivery-005","phase":"initial"}
2:{"event":"delivery.requested","delivery_id":"delivery-006","phase":"initial"}