{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "322644",
    "entityType": "User",
    "nonce": "0x65e5c6655cd79176caf149b0e0242aaaec05cc677a69575c804f52cef85fc2b4",
    "signature": "0x691e015ed8cef24378e18c82292ff479a1034b7dc3c46c206bbcbd49c697a2f158a417cf81366014c167c348d1c2b194be1d1f14836cde728a3a9126f77518141c",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}