{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "123243",
    "entityType": "User",
    "nonce": "0x790253a386ec5a7504d004a3b8df72961ef81d0d0acbff9292f4cd38eedfc4e0",
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    "signer": "0x6D7f9B90BAFd6B52f8d961a1106d927aCCE656C7",
    "userId": "94304"
  }
}