{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "490478463",
    "entityType": "User",
    "nonce": "0x7e7cacc1e0e73c5cb7289bbb044d87a5a7b70eb9f82196ce9fe425c6de3c75d2",
    "signature": "0xc92abe7115c36d02e608dc2cc06149b1f81f54f258d2a5cbc340f458c1ade44038c3d0da3eda721aa2c2b8e62c72f64cc27369baed784969ceb96ac03316d2b91c",
    "signer": "0xaFdEC27229de1023f5322f4Dbf0e874dC548011F",
    "userId": "817564020"
  }
}