{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "102143",
    "entityType": "User",
    "nonce": "0xb257f827a41a3ce175d2795062878f3c507415646d473d032abe7359f55bb4b3",
    "signature": "0xc62df66f047dfb0fcc69b4981e70dab11d4c3ba87c58777e9a5b0bee69e0f57c3f8b0b26fa199f5871999205c38a54f1a1124282a46a7692b1e01fdbe6dcbf771b",
    "signer": "0x879cE855712D48b8193205E59eF0bC730Ed8aEf7",
    "userId": "1957708"
  }
}