{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "147909",
    "entityType": "User",
    "nonce": "0x65aa4a864e770b1a580aea52fb3d43d28719d6ad782eec21c0d90bd14064307f",
    "signature": "0xdd9db9bf75b272ec106a9d33f2ab360c53da37d4af216c6dd7336cac361b739e3ad5faafa248d0d942b7ea708151f3d2813771ed7976e77828ec1f45896ce2541b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}