{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x93ee0a02f54f811255136e201d2b0b51d7686516ad2a1441a429f552b22a0015",
    "signature": "0x1922f94edf55c74d4598bd9aefc7aebb0b373ba0ac32317c518c619c8ecf065816908b67114ed68cf7e15bb01bf63a53ac5f514f55c194442e9fde9361cec8f71b",
    "signer": "0xEa3dcE1dCa958ff05294971CA40a732eA317E7A6",
    "userId": "573967897"
  }
}