{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "513193189",
    "entityType": "User",
    "nonce": "0x1118c44f8003ac76a881f81ba7194fcbdb28e58d0b195e36dc5f47654b87c92f",
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    "signer": "0x3416E4B65cCfDd9cE7A5205f6a8A1E7F0Ff203d3",
    "userId": "885673575"
  }
}