{"tick":1,"type":"tick"}
{"tick":1,"type":"deliver","message_id":"e1"}
{"tick":2,"type":"tick"}
{"tick":2,"type":"deliver","message_id":"e2"}
{"tick":3,"type":"tick"}
{"tick":4,"type":"tick"}
{"tick":5,"type":"tick"}
{"tick":6,"type":"tick"}
{"tick":6,"type":"approve","approval_id":"ap-cda6b1ec","draft_id":"t-draft-e92bd5bc"}
{"tick":7,"type":"tick"}
{"tick":7,"type":"signal","signal_id":"esc-e2","signal_type":"OPERATOR_ESCALATION","target":"e2"}
{"tick":8,"type":"tick"}
{"tick":8,"type":"approve","approval_id":"ap-871a7601","draft_id":"t-draft-04e791b5"}
{"tick":9,"type":"tick"}
{"tick":10,"type":"tick"}
{"tick":11,"type":"tick"}
{"tick":12,"type":"tick"}
{"tick":13,"type":"tick"}
{"tick":14,"type":"tick"}
{"tick":15,"type":"tick"}
{"tick":16,"type":"tick"}
{"tick":17,"type":"tick"}
{"tick":18,"type":"tick"}
{"tick":18,"type":"impl_exit","code":1,"signal":null}